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Nyheder2018august01

 

This Swirling Algae Bloom Mixes Beauty and Danger

What's deadly about these striking swirls in the sea?

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Sierra Leone is the world’s roundest country (and Egypt the squarest one)

Mind-boggling as it is, some of the world's roundest countries are also some of the most rectangular ones. Read More

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Scientists discover strange new shape called the ‘scutoid’

Scientists have identified a new shape called the scutoid, and it helps explain the how cells in the body arrange themselves in tightly packed three-dimensional structures to form tissues. Read More

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Men claim they have more sexual partners than women. But is it true?

A study of over 15,000 men and women reveals interesting data regarding what we claim. Read More

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'Smart' machine components alert users to damage and wear

Scientists at the United Technologies Research Center and UConn used advanced additive manufacturing technology to create 'smart' machine components that alert users when they are damaged or worn.

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Harnessing hair loss gene could improve cancer immunotherapy

Researchers at Columbia found that a gene associated with an autoimmune form of hair loss may be activated to boost cancer immunotherapy.

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Trapping light that doesn't bounce off track for faster electronics

A new protective metamaterial 'cladding' prevents light from leaking out of the very curvy pathways it would travel in a computer chip.

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Solar flares disrupted radio communications during September 2017 Atlantic hurricanes

An unlucky coincidence of space and Earth weather in early September 2017 caused radio blackouts for hours during critical hurricane emergency response efforts, according to a new study in Space Weather, a journal of the American Geophysical Union. The new research, which details how the events on the Sun and Earth unfolded side-by-side, could aid in the development of space weather forecasting an

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Diet matters less than evolutionary relationships in shaping gut microbiome

In the largest published comparative dataset of non-human primate gut microbiomes to date, a new Northwestern University study set out to find whether leaf-eating primates have similar gut microbes that help them break down their leafy diet, which is full of fiber and toxins.

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Video recordings spotlight poor communication between nurses and doctors

Communication breakdown among nurses and doctors is one of the primary reasons for patient care mistakes in the hospital.

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Nano-sized traps show promise in diagnosing pathogenic bacterial infections

A new type of 'lab on a chip' has the potential to become a clinical tool capable of detecting very small quantities of disease-causing bacteria in just minutes.

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Supercomputing the 'how' of chemical reactions

Chemists used supercomputers to explore the molecular structure of a class of organometallic compounds. They simulated the mechanics of a palladium catalyst in order to understand its exceptional selectivity. Results of this research can be used to guide the synthesis of new and improved variants of this important catalyst family.

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Homo sapiens developed a new ecological niche that separated it from other hominins

A review of archaeological and palaeoenvironmental datasets relating to Middle and Late Pleistocene hominin dispersals within and beyond Africa demonstrates unique environmental settings and adaptations for Homo sapiens relative to other hominins. Our species' ability to occupy diverse and 'extreme' settings around the world stands in stark contrast to the ecological adaptations of other hominin t

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Australia facing extremely intense rain storms

Large increase in sudden downpours in the last 50 years, with the amount of water falling in hourly rain storms (for example thunderstorms) increasing at a rate 2 to 3 times higher than expected.

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Blue crystals in meteorites show that our sun went through the 'terrible twos'

By examining tiny blue crystals trapped inside meteorites, scientists were able to figure out what the sun was like before the Earth formed — and apparently, it had a pretty rowdy start. When scientists analyzed the chemical make-up of these crystals, they found atoms that would only be there if the early sun was spitting out lots of high-energry particles — the solar version of going through th

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New process in root development discovered

As the plant root grows, a root cap protects its fragile tip. Every few hours, the old cap is lost and a new one replaces it. Researchers have now, for the first time, observed regular cycles of root tip loss and regrowth in real time. In doing so, they uncovered the signal and receptor that coordinate this process.

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E-cigarettes and tobacco product use linked to increased risk of oral cancer

New research shows that most non-cigarette tobacco users are exposed to carcinogen levels comparable to or exceeding exposure among exclusive cigarette smokers — levels that are likely to place users at substantial risk.

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Natural habitat can help farmers control pests, but not always a win-win

Songbirds and coffee farms in Central America. Ladybugs and soybean fields in the Midwest. These are well-known, win-win stories of how conserving natural habitat can benefit farmers.

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Only 13 percent of the world’s oceans are still wild

Environment The forecast isn’t looking great, either. Reaching the deepest depths of all the world’s oceans seems unfathomable. But new research suggests we’re getting close, and that’s not a good thing.

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Parker Solar Probe and the birth of the solar wind

This summer, humanity embarks on its first mission to touch the Sun: A spacecraft will be launched into the Sun's outer atmosphere. Facing several-million-degree Fahrenheit temperatures, NASA's Parker Solar Probe will directly sample solar particles and magnetic fields to resolve some of the most important questions in solar science.

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Mutation 'hotspots' in DNA: Research could lead to new insights on cancer risks

New research has identified 'hotspots' in DNA where the risk for genetic mutations from transcription errors is significantly elevated. Understanding how these errors occur is important since DNA errors play a large role in many types of cancer.

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Carbon 'leak' may have warmed the planet for 11,000 years, encouraging human civilization

The oceans lock away atmospheric carbon dioxide, but a 'leak' in the Southern Ocean brings the greenhouse gas back into the atmosphere. An international research team looked at minute nitrogen concentrations embedded in diatoms, forams and corals to identify an increase in Southern Ocean upwelling during the past 11,000 years, which could explain the otherwise mysterious warmth of the Holocene tha

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Pair of colliding stars spill radioactive molecules into space

Astronomers have made the first definitive detection of a radioactive molecule in interstellar space: a form, or isotopologue of aluminum monofluoride (26AlF). The new data — made with ALMA and the NOEMA radio telescopes — reveal that this radioactive isotopologue was ejected into space by the collision of two stars, a tremendously rare cosmic event that was witnessed on Earth as a 'new star,' o

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Mars terraforming not possible using present-day technology

Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves have proposed terraforming to enable the long-term colonization of Mars. A solution common to both groups is to release carbon dioxide gas trapped in the Martian surface to thicken the atmosphere and act as a blanket to w

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Dead gorgeous: ancient sarcophagus held mirror, cosmetics

Archaeologists say a 3rd century sarcophagus found in what is now western Germany contained the remains of a young Roman woman who was buried along with perfume bottles, a makeup palette and a silver hand mirror.

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French lawmakers ban smartphones in schools

French schoolchildren will have to leave their smartphones switched off or at home as the new academic year begins in September, after lawmakers voted for a ban on Monday.

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World's biggest king penguin colony shrinks 90 percent

The planet's largest colony of king penguins has declined by nearly 90 percent in three decades, alarmed researchers said Monday.

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Key weakness in modern computer vision systems identified

In a finding that could point the way toward better computer vision systems, researchers show why computers are so bad at seeing when one thing is not like another.

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Magnetic nanoparticles deliver chemotherapy to difficult-to-reach spinal tumors

Researchers have demonstrated that magnetic nanoparticles can be used to ferry chemotherapy drugs into the spinal cord to treat hard-to-reach spinal tumors in an animal model. The unique delivery system represents a novel way to target chemotherapy drugs to spinal cancer cells, which are hard to reach because the drugs must cross the blood-brain barrier.

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Whales use song as sonar, psychologist proposes

A psychologist has proposed that humpback whales may use song for long-range sonar. It's the singing whale, not the listening whale who is doing most of the analysis. If correct, the model should change the direction of how we study whales.

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Smaller plates don't help you eat less when you're hungry, research finds

A new study debunks a popular diet trick based on the Delbouef illusion that predicts people will identify sizes differently when they are placed within a larger or smaller object. The classic experiment shows that people perceive a similar black circle is smaller when it embedded in a larger circle than when it is embedded in a smaller one.

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New understanding of deep earthquakes

Researchers have for the first time reported a way to analyze seismic wave radiation patterns in deep earthquakes to suggest global deep earthquakes are in anisotropic rocks.

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Hidden rules of genetics for how life on Earth began

All living things use the genetic code to "translate" DNA-based genetic information into proteins, which are the main working molecules in cells. Precisely how the complex process of translation arose in the earliest stages of life on Earth more than four billion years ago has long been mysterious, but two theoretical biologists have now made a significant advance in resolving this mystery.

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Preventing dangerous episodes of low blood sugar with diabetes: Study provides next clue

A new study reveals that a novel biomarker might give us new answers necessary to creating a diagnostic tool for hypoglycemia-associated autonomic failure, or HAAF. No objective diagnostic tool currently exists for this condition which, if left untreated, can lead to ever-worsening and possibly life-threatening episodes of dangerously low blood sugar.

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Memory-processing unit could bring memristors to the masses

A new way of arranging advanced computer components called memristors on a chip could enable them to be used for general computing, which could cut energy consumption by a factor of 100.

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Climate taxes on agriculture could lead to more food insecurity than climate change itself

New research has found that a single climate mitigation scheme applied to all sectors, such as a global carbon tax, could have a serious impact on agriculture and result in far more widespread hunger and food insecurity than the direct impacts of climate change. Smarter, inclusive policies are necessary instead.

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Do bacteria ever go extinct? New research says yes, bigtime

Bacteria go extinct at substantial rates, although appear to avoid the mass extinctions that have hit larger forms of life on Earth, according to new research. The finding contradicts widely held scientific thinking that microbe taxa, because of their very large populations, rarely die off.

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Low-power devices may one day run on new heat-based power source

A new way to generate electricity in special materials called Weyl magnets has been discovered by physicists. The method exploits temperature gradients, differences in temperature throughout a material. This could pave the way for maintenance-free remote sensing devices or even medical implants.

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Ever-increasing CO2 levels could take us back to the tropical climate of Paleogene period

A new study has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period — 56-48 million years ago.

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Microfluidic system incorporates neuroinflammation into 'Alzheimer's in a dish' model

Building on their development of the first culture system to replicate fully the pathology behind Alzheimer's disease, a Massachusetts General Hospital research team has now produced a system that includes neuroinflammation, the key biological response that leads to the death of brain cells.

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Photos: The Agonizing Realities of Family Reunification

Last week, a court-ordered deadline passed, one set for the federal government to reunify more than 2,500 children separated from their families when they attempted to cross the United States border. Government officials say they have now reunited more than 1,800 families, but some are still waiting. According to a lawsuit, as reported by Reuters , more than 450 immigrant parents have been deport

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Homelessness in infancy linked to poor health outcomes for children and mothers

A new study led by researchers from Children's HealthWatch, a research and policy network headquartered at Boston Medical Center (BMC), shows infants under 12 months old who experience homelessness are at-risk of poor health and development compared to their peers in housed families.

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Blueair Sense+ Review: Breathe Easy With This WiFi-Enabled Air Purifier

Check on indoor air pollutants and bid them begone with Blueair's smart air purifier.

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Last week in tech: A dead robot, Tesla's surfboard, and social media meltdowns galore

Technology Catch up on last week's biggest tech stories. Listen to our podcast while you're sufing on your Tesla surfboard.

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Why Doctors Should Read Fiction

The annals of literature are packed with writers who also practiced medicine: Anton Chekhov, Arthur Conan Doyle, William Carlos Williams, John Keats, William Somerset Maugham, and on and on. As doctors, they saw patients at their most vulnerable, and their medical training gave them a keen eye for observing people and what makes them tick. But if studying medicine is good training for literature,

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Trump's Increasingly Desperate Attacks on Mueller

The president and his team are on the offensive against Special Counsel Robert Mueller. That’s not new, of course. What is new is the tone of the attacks, which have come over the last 24 hours via Donald Trump’s Twitter account and interviews with Rudy Giuliani. Giuliani and Trump sound increasingly desperate, and their talking points are increasingly nonsensical. Giuliani has also resurfaced an

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California’s Birds Are Testing New Survival Tactics on a Vast Scale

Retracing the steps of a century-old wildlife survey, ecologists find that birds are making remarkable adaptations to climate change.

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Cannabidiol prevents nausea in rats

A non-psychoactive compound derived from marijuana could potentially be developed into new anti-nausea treatments for cancer patients receiving chemotherapy, suggests research in rats published in eNeuro. The study represents an advance in understanding the neurobiology of this distressing symptom that accompanies vomiting but is not effectively treated by current drugs.

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Alzheimer's risk gene impairs development of new neurons in mice

Scientists have taken a step closer to understanding how the strongest known genetic risk factor for Alzheimer's disease (AD) contributes to memory impairment. Reporting their findings in eNeuro, the researchers demonstrate a critical role of the risk gene in the proper development of adult-born neurons in the hippocampus.

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Why BACE inhibitors may be failing Alzheimer's trials

Completely blocking the activity of an enzyme that produces amyloid plaques observed in Alzheimer's disease (AD) interferes with the regulation of new neurons generated in the adult hippocampus, according to a study of mice published in eNeuro. These findings may help to explain why some recently developed AD drugs have failed in clinical trials.

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The heritability of anxiety

Individual differences in the connectivity between regions of the brain involved in fear and anxiety are heritable, according to a large study of hundreds of related monkeys published in JNeurosci. The research provides new insights into the risk and development of anxiety disorders.

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What keeps the brain awake

A study of fruit flies has identified a pathway in the brain that keeps the animals from falling asleep during the day. The research, published in eNeuro, may have implications for understanding the sleep/wake cycle in mammals, which shares similar features.

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How time affects learning

Associations between neutral stimuli and monetary rewards are strengthened over the course of weeks, according to a human study published in JNeurosci that investigated learning over an extended period of time. The research may have implications for the study of addiction, in which learned associations between drug and reward are acquired gradually.

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Gene therapy restores sense of smell in mice

Re-expressing a protein critical for the detection and perception of odors restores function of the olfactory system in a genetic mouse model of lost hair-like cellular structures known as cilia, according to research published in JNeurosci. This may represent a promising therapeutic strategy for a group of human diseases that can cause loss of smell.

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The most beautiful letter Richard Feynman ever wrote

Richard Feynman wrote a lot of things. Here, you can read his most touching letter. Read More

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Study: the Chicago accent is the least attractive accent in America

Don't get your Wacker in a Wabash, Chicagoans. This is just one poll. Read More

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What else the border wall would keep out: biodiversityDHS NRMC Mike Pence US

Over 1,500 species of flora and fauna would be at risk if a US-Mexican border wall were ever constructed. Read More

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Global warming will raise suicide rates

A new study says climate change could cause an additional 40,000 suicides in America and Canada by 2050. Read More

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How the TSA’s ‘Quiet Skies’ surveillance program tracks unsuspecting passengers

A new report from the Boston Globe shows how a shadowy Transportation Security Administration program, dubbed 'Quiet Skies', orders undercover federal marshals to track citizens who aren't necessarily on a terrorist watchlist. Read More

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Top 5 favorite conspiracy theories of the Russians

A new study reveals the most popular conspiracy theories believed by Russians. Read More

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String Theory May Create Far Fewer Universes Than Thought

Some physicists claim the popular landscape of universes in string theory may not exist.

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Droughts, Heat Waves and Floods: How to Tell When Climate Change Is to Blame

Weather forecasters will soon provide instant assessments of global warming’s influence on extreme events — Read more on ScientificAmerican.com

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NASA finds development of Tropical Depression 16W

Tropical Depression 16W formed in the northwestern Pacific Ocean despite vertical wind shear. Wind shear was elongating the newly formed tropical depression when NASA's Terra satellite passed overhead and analyzed the storm in infrared light.

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A reliable, easy-to-use mouse model for investigating bone metastasis

Researchers propose an improved mouse model that could revolutionize bone metastasis research. Their method, which involves injecting cancer cells via the so-called caudal artery in the mouse tail, overcomes many limitations of traditional mouse models. The new model could thus open a new chapter in the development of therapeutic strategies for bone metastasis and cancer progression.

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A Math Theory for Why People Hallucinate

In the 1920s, decades before counterculture guru Timothy Leary made waves self-experimenting with LSD and other psychedelic drugs at Harvard University, a young perceptual psychologist named Heinrich Klüver used himself as a guinea pig in an ongoing study into visual hallucinations. One day in his laboratory at the University of Minnesota, he ingested a peyote button, the dried top of the cactus

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Anxiety in monkeys is linked to hereditary brain traits

A key brain connection may be behind childhood anxiety, brain scans of monkeys suggest.

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NASA finds development of Tropical Depression 16W

Tropical Depression 16W formed in the northwestern Pacific Ocean despite vertical wind shear. Wind shear was elongating the newly formed tropical depression when NASA's Terra satellite passed overhead and analyzed the storm in infrared light.

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Parker Solar Probe and the birth of the solar wind

This summer, humanity embarks on its first mission to touch the Sun: A spacecraft will be launched into the Sun's outer atmosphere.

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An AI-driven robot hand spent a hundred years teaching itself to rotate a cube

A reinforcement-learning algorithm allows Dactyl to learn physical tasks by practicing them in a virtual-reality environment.

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Advancing the search for antibodies to treat Alzheimer's disease

Two new studies illustrate that not all forms of amyloid-beta protein — the protein thought to initiate Alzheimer's disease — play an equally menacing role in the progress of the disease. Using a new way of preparing and extracting the protein as well as a new technique to search for promising drug candidates, researchers have highlighted the importance of testing and targeting different forms o

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Pungent tasting substance in ginger reduces bad breath

The pungent compound 6-gingerol in ginger stimulates an enzyme contained in saliva which breaks down foul-smelling substances. It thus ensures fresh breath and a better aftertaste. Citric acid increases the sodium ion content of saliva, making salty foods taste less salty.

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NASA sees Tropical Depression Jongdari stretched out

Wind shear is stretching out Tropical Storm Jongdari and NASA's Aqua satellite captured and image that showed the oval-shaped storm.

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Psychologist proposes whales use song as sonar

Any quick internet search for recordings of humpback whale song returns audio compilations that can receive tens of thousands, if not millions, of visits.

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Trilobites: The Young Sun’s Outbursts Were Trapped in Blue Crystals From Outer Space

Gases trapped inside a meteorite that fell to Earth offer the first physical clues of the “terrible twos” phase of our star early in the life of the solar system.

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Research on mutation 'hotspots' in DNA could lead to new insights on cancer risks

New research from Indiana University has identified 'hotspots' in DNA where the risk for genetic mutations from transcription errors is significantly elevated. Understanding how these errors occur is important since DNA errors play a large role in many types of cancer.

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NASA sees Tropical Depression Jongdari stretched out

Wind shear is stretching out Tropical Storm Jongdari and NASA's Aqua satellite captured and image that showed the oval-shaped storm.

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Parker Solar Probe and the birth of the solar wind

This summer, humanity embarks on its first mission to touch the Sun: A spacecraft will be launched into the Sun's outer atmosphere. Facing several-million-degree Fahrenheit temperatures, NASA's Parker Solar Probe will directly sample solar particles and magnetic fields to resolve some of the most important questions in solar science.

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Smaller plates don't help you eat less when you're hungry — Ben-Gurion U. research

The new study, published in Appetite, debunks the popular diet trick based on the Delbouef illusion that predicts people will identify sizes differently when they are placed within a larger or smaller object. The classic experiment shows that people perceive a similar black circle is smaller when it embedded in a larger circle than when it is embedded in a smaller one.

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Magnetic nanoparticles deliver chemotherapy to difficult-to-reach spinal tumors

Researchers at the University of Illinois at Chicago have demonstrated that magnetic nanoparticles can be used to ferry chemotherapy drugs into the spinal cord to treat hard-to-reach spinal tumors in an animal model. The unique delivery system represents a novel way to target chemotherapy drugs to spinal cancer cells, which are hard to reach because the drugs must cross the blood-brain barrier.

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From the Archives: Finding the Hurt in Pain

Pain has many varieties, and is notoriously difficult to describe, but in recent years researchers have made some progress in trying to measure it. A story in the New Yorker this summer by Nicola Twilley, “The Neuroscience of Pain,” describes the quest “to capture the experience in quantifiable, objective data,” especially imaging data. Twilley details the research life of Irene Tracey at Univers

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Alzheimer's Study Sparks a New Round of Debate over the Amyloid Hypothesis

Does the data in a recent clinical trial support the idea that removing amyloid clumps can improve mental functioning? — Read more on ScientificAmerican.com

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Hand in Hand: Depression and Cancer

Hand in Hand: Depression and Cancer How depression and psychological distress can impact radiation therapy treatment for people who have cancer. Hand in Hand: Depression and Cancer Video of Hand in Hand: Depression and Cancer Human Monday, July 30, 2018 – 12:30 Jason Socrates Bardi, Editor (Inside Science) — “One of his passions was to be by the ocean. He also loved being a police officer. He lo

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Hand in Hand: Depression and Cancer

Hand in Hand: Depression and Cancer How depression and psychological distress can impact radiation therapy treatment for people who have cancer. Hand in Hand: Depression and Cancer Video of Hand in Hand: Depression and Cancer Human Monday, July 30, 2018 – 12:30 Jason Socrates Bardi, Editor (Inside Science) — “One of his passions was to be by the ocean. He also loved being a police officer. He lo

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Nano-sized traps show promise in diagnosing pathogenic bacterial infections

A new type of "lab on a chip" developed by McGill University scientists has the potential to become a clinical tool capable of detecting very small quantities of disease-causing bacteria in just minutes.

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Researchers reveal hidden rules of genetics for how life on Earth began

All living things use the genetic code to "translate" DNA-based genetic information into proteins, which are the main working molecules in cells. Precisely how the complex process of translation arose in the earliest stages of life on Earth more than four billion years ago has long been mysterious, but two theoretical biologists have now made a significant advance in resolving this mystery.

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Supercomputing the 'how' of chemical reactions

Sometimes, when experimental scientists get their hands on a supercomputer, it can change the course of their careers and open up new questions for exploration.

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UB psychologist proposes whales use song as sonar

A University at Buffalo psychologist has proposed in a newly published paper that humpback whales may use song for long-range sonar. It's the singing whale, not the listening whale who is doing most of the analysis, according to Eduardo Mercado III. If he's right, Mercado says his model should change the direction of how we study whales.

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Magnetic nanoparticles deliver chemotherapy to difficult-to-reach spinal tumors

Researchers at the University of Illinois at Chicago have demonstrated that magnetic nanoparticles can be used to ferry chemotherapy drugs into the spinal cord to treat hard-to-reach spinal tumors in an animal model. The unique delivery system represents a novel way to target chemotherapy drugs to spinal cancer cells, which are hard to reach because the drugs must cross the blood-brain barrier.

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Research identifies key weakness in modern computer vision systems

In a finding that could point the way toward better computer vision systems, Brown University researchers show why computers are so bad at seeing when one thing is not like another.

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Researchers reveal hidden rules of genetics for how life on Earth began

All living things use the genetic code to 'translate' DNA-based genetic information into proteins, which are the main working molecules in cells. Precisely how the complex process of translation arose in the earliest stages of life on Earth more than four billion years ago has long been mysterious, but two theoretical biologists have now made a significant advance in resolving this mystery.

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Study provides next clue to preventing dangerous episodes of low blood sugar with diabetes

A new LSU Pennington Biomedical Research Center study reveals that a novel biomarker might give us new answers necessary to creating a diagnostic tool for hypoglycemia-associated autonomic failure, or HAAF. No objective diagnostic tool currently exists for this condition which, if left untreated, can lead to ever-worsening and possibly life-threatening episodes of dangerously low blood sugar.

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Largest king penguin colony has shrunk nearly 90%

The world's biggest colony of king penguins is found in the National Nature Reserve of the French Southern and Antarctic Lands (TAAF). Using high-resolution satellite images, researchers have detected a massive 88 percent reduction in the size of the penguin colony, located on Île aux Cochons, in the Îles Crozet archipelago. The causes of the colony's collapse remain a mystery but may be environme

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Brain game doesn't offer brain gain

Neuroscientists have debunked claims that getting better at a brain training game can translate to improved performance in other, untrained cognitive tasks.

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Did you solve it? Rise to the Skyscrapers challenge

The solutions to today’s puzzles Earlier today I set you three Skyscrapers puzzles. You can read the explanation of the puzzle in that article , or print out the puzzles here . The solutions are below: Continue reading…

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$2.99 or $3.00? Will the difference of a penny get you to the checkout counter?

A traditional belief in retail marketing is that prices ending in "9" – $1.99 or $2.99, for example—will prompt more purchases than a whole number. But is that true? And is a simple one-penny price difference the best tactic to sell more products?

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How Do You Know If Your Cut Has Flesh-Eating Bacteria?

Given the gravity of the condition, people with necrotizing fasciitis need immediate medical care. But how do you know if your cut has flesh-eating bacteria?

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Mars terraforming not possible using present-day technology

Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves have proposed terraforming to enable the long-term colonization of Mars. A solution common to both groups is to release carbon dioxide gas trapped in the Martian surface to thicken the atmosphere and act as a blanket to w

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Pair of colliding stars spill radioactive molecules into space

When two Sun-like stars collide, the result can be a spectacular explosion and the formation of an entirely new star. One such event was seen from Earth in 1670. It appeared to observers as a bright, red "new star." Though initially visible with the naked eye, this burst of cosmic light quickly faded and now requires powerful telescopes to see the remains of this merger: a dim central star surroun

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This Robot Hand Taught Itself How to Grab Stuff Like a Human

The system, developed by OpenAI, ends up “inventing” characteristic grasps that we humans already commonly use to handle objects.

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How the brain helps songbirds work together

Central American wrens sing lovely, synchronized duets. Image courtesy Dr. Peter Slater and Dr. Nigel Mann. Imagine that you are out in the bamboo thickets of the Amazonian cloud rainforest, on an especially elaborate bird watching expedition. You hear what you think is another bird song, but then notice that in fact two birds are singing the same song, alternating in such a rapid and temporally

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Supercomputing the 'how' of chemical reactions

Chemists from the University of Texas Rio Grande Valley used supercomputers at the Texas Advanced Computing Center to explore the molecular structure of a class of organometallic compounds. Writing in the journal Computational and Theoretical Chemistry, they simulated the mechanics of a palladium catalyst in order to understand its exceptional selectivity. Results of this research can be used to g

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Nano-sized traps show promise in diagnosing pathogenic bacterial infections

A new type of 'lab on a chip' developed by McGill University scientists has the potential to become a clinical tool capable of detecting very small quantities of disease-causing bacteria in just minutes.

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Video recordings spotlight poor communication between nurses and doctors

Communication breakdown among nurses and doctors is one of the primary reasons for patient care mistakes in the hospital.

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Marshall University researchers identify inflammatory biomarkers in T cells

The Marshall University School of Pharmacy, in collaboration with the Marshall University Joan C. Edwards School of Medicine Genomics Core, recently released a new study that explores human T cell function under inflammatory conditions. Findings reveal that the set of genes expressed by T cells under pro-inflammatory conditions include several G-protein-coupled receptors (GPRs).

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Beetle named after actress and biologist Isabella Rossellini for her series about animals

A new species of beetle with remarkably long genitalia that hint at a curious evolutionary "sexual arms race" has been described from Malaysian Borneo.

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Spain: Taxi drivers block streets over ride-hailing servicesUber Spanish Self Driving

Striking taxi drivers brought traffic in parts of major Spanish cities to a standstill Monday by stopping their vehicles in major thoroughfares to protest ride-hailing services.

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Injectable trace minerals improve oxidative stress after aflatoxin challenge in dairy cows

When dairy cattle consume aflatoxin-contaminated feed, they are lethargic, their appetite wanes, they produce less milk, and their immune system goes awry. Some of those symptoms relate to oxidative stress, in which dangerous free-radicals bounce around, damaging cells. In a new study, researchers at the University of Illinois investigated the potential of injectable trace minerals to reduce the d

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Les Moonves and the Familiarity Fallacy

“Les Moonves is a close friend. I’ve known him for 40 years. He is a kind, decent, and honorable man. I believe him and I believe in him.” That was Lynda Carter , Wonder Woman herself, defending the chief executive and “programming wizard” of CBS after Ronan Farrow’s long-in-the-works expose —detailing allegations of sexual impropriety against Moonves and other powerful men at the network—was pub

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New ways to assess drug benefits can help cut health care costs

Newly approved drugs are compared to either a placebo or to one standard of care, with little information about their effectiveness to the other available treatment options. The statistical performance of a commonly used method to address this challenge has yet to be extensively studied or reported. David Cheng of Harvard's T.H. Chan School of Public Health and researchers from Analysis Group have

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Mars terraforming not possible using present-day technology

Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves have proposed terraforming to enable the long-term colonization of Mars. A solution common to both groups is to release carbon dioxide gas trapped in the Martian surface to thicken the atmosphere and act as a blanket to w

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Pair of colliding stars spill radioactive molecules into space

Astronomers have made the first definitive detection of a radioactive molecule in interstellar space: a form, or isotopologue of aluminum monofluoride (26AlF). The new data — made with ALMA and the NOEMA radio telescopes — reveal that this radioactive isotopologue was ejected into space by the collision of two stars, a tremendously rare cosmic event that was witnessed on Earth as a 'new star,' o

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It’s Tough Being a Right Whale These Days

W e might begin with a way of killing a whale that next to no one today would find acceptable. In the autumn of 1385, far enough back in time that we tend to think of humans then and now almost as different species, a whale beached near the southern tip of Greenland. Among the Norse settlers who gathered around the animal was a recent arrival named Björn Einarsson, an Icelandic chieftain who, on

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Obstacles limiting the preservation of global heritage by UNESCO revealed

UNESCO established the "Memory of the World" program to promote the preservation of important historical documents globally. However, this program's validity has been questioned in the wake of controversy over the inclusion of documents about the Nanjing Massacre, with China asserting the global historical importance of these documents but Japan questioning their authenticity and the capacity of U

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The Sun Had a Wild Youth. And These Blue Crystals Prove It.

Blue crystals in meteorites contain evidence of the sun's volatile past.

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Firefighters Are Focused on Flames, Not Climate Change

Departments face climate-driven changes to fire behavior, like a year-round season — Read more on ScientificAmerican.com

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Cell phone batteries are destined to die, and we have physics to blame

Technology The second law of thermodynamics is the enemy here. Why do batteries die? And, why can they only be recharged so many times before they won’t hold a useful amount of charge? It’s a result of the second law of…

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Injectable trace minerals improve oxidative stress after aflatoxin challenge in dairy cows

When dairy cattle consume aflatoxin-contaminated feed, they are lethargic, their appetite wanes, they produce less milk, and their immune system goes awry. Some of those symptoms relate to oxidative stress, in which dangerous free-radicals bounce around, damaging cells. In a new study, researchers at the University of Illinois investigated the potential of injectable trace minerals to reduce the d

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Beetle named after actress & biologist Isabella Rossellini for her series about animals

A new species of beetle with remarkable genitalia that hint at a curious evolutionary 'sexual arms race' has been described from Malaysian Borneo. The new insect was named after actress and biologist Isabella Rossellini in honour of her online series and stage shows about animal reproduction. Scientists Menno Schilthuizen, Iva Njunjic, and Michel Perreau described the new curious round fungus beet

2d

 

Pungent-tasting substance in ginger reduces bad breath

The pungent compound 6-gingerol in ginger stimulates an enzyme contained in saliva which breaks down foul-smelling substances. It thus ensures fresh breath and a better aftertaste. Citric acid increases the sodium ion content of saliva, making salty foods taste less salty. To find out more about food components, a team from Technical University Munich and the Leibniz-Institute for Food Systems Bio

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Advancing the search for antibodies to treat Alzheimer's disease

Two new studies published by investigators from Brigham and Women's Hospital illustrate that not all forms of amyloid-beta (Aβ) protein — the protein thought to initiate Alzheimer's disease — play an equally menacing role in the progress of the disease. Using a new way of preparing and extracting the protein as well as a new technique to search for promising drug candidates, researchers have hig

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Discuss religion, spirituality when treating young adults with severe mental illness

A majority of young adults with severe mental illness — bipolar disorder, schizophrenia or major depression — consider religion and spirituality relevant to their mental health, according to a new study from Baylor University's Diana R. Garland School of Social Work.

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Brain game doesn't offer brain gain

A new study led by a team of Western University neuroscientists has debunked claims that getting better at a brain training game can translate to improved performance in other, untrained cognitive tasks.

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$2.99 or $3.00? Will the difference of a penny get you to the checkout counter?

The Baylor University study reveals that marketers might experience more success in price-setting if they focus their efforts on identifying — and even modifying — the thinking styles of their target consumers.

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Memory-processing unit could bring memristors to the masses

A new way of arranging advanced computer components called memristors on a chip could enable them to be used for general computing, which could cut energy consumption by a factor of 100.

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Climate taxes on agriculture could lead to more food insecurity than climate change itself

New IIASA-led research has found that a single climate mitigation scheme applied to all sectors, such as a global carbon tax, could have a serious impact on agriculture and result in far more widespread hunger and food insecurity than the direct impacts of climate change. Smarter, inclusive policies are necessary instead.

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ASU research finds silicon-based, tandem photovoltaic modules can compete in solar market

The dominant existing solar technology — silicon — is more than 90 percent of the way to its theoretical efficiency limit. More efficient technologies will be more expensive. New research identifies the efficiency vs. cost target.

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Carbon 'leak' may have warmed the planet for 11,000 years, encouraging human civilization

The oceans lock away atmospheric carbon dioxide, but a 'leak' in the Southern Ocean brings the greenhouse gas back into the atmosphere. An international research team looked at minute nitrogen concentrations embedded in diatoms, forams and corals to identify an increase in Southern Ocean upwelling during the past 11,000 years, which could explain the otherwise mysterious warmth of the Holocene tha

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Nano-optic endoscope sees deep into tissue at high resolution

Experts in endoscopic imaging at Massachusetts General Hospital (MGH) and pioneers of flat metalens technology at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS), have teamed up to develop a new class of endoscopic imaging catheters — termed nano-optic endoscopes — that overcome the limitations of current systems.

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An increase in Southern Ocean upwelling may explain the Holocene CO2 rise

During the 10 000 years preceding the industrial revolution, there was a small but significant increase in atmospheric CO2 concentrations which may have played a crucial role in stabilizing the climate of the Holocene epoch. An international team led by scientists from the Max Planck Institute for Chemistry and Princeton University now suggest that an increase in Southern Ocean upwelling may have

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UH researchers report new understanding of deep earthquakes

Researchers from the University of Houston have for the first time reported a way to analyze seismic wave radiation patterns in deep earthquakes to suggest global deep earthquakes are in anisotropic rocks.

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Ever-increasing CO2 levels could take us back to the tropical climate of Paleogene period

A new study led by scientists at the University of Bristol has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period — 56-48 million years ago.

2d

 

In a Weyl thermopile

A new way to generate electricity in special materials called Weyl magnets has been discovered by physicists at the University of Tokyo. The method exploits temperature gradients, differences in temperature throughout a material. This could pave the way for maintenance-free remote sensing devices or even medical implants.

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New approach to terpene syntheses

Terpenes are natural products that are often very difficult to synthesize in the laboratory. Chemists from the University of Basel have now developed a synthesis method that mimics nature. The decisive step takes place inside a molecular capsule, which enables the reaction. The findings were recently published in the journal Nature Catalysis.

2d

 

Do bacteria ever go extinct? New research says yes, bigtime

Bacteria go extinct at substantial rates, although appear to avoid the mass extinctions that have hit larger forms of life on Earth, according to new research from the University of British Columbia (UBC), Caltech, and Lawrence Berkeley National Laboratory. The finding, published today in Nature Ecology and Evolution, contradicts widely held scientific thinking that microbe taxa, because of their

2d

 

Mortality rates among homeless adults in Boston who avoid shelters, known as 'rough sleepers'

A group of unsheltered homeless adults in Boston known as 'rough sleepers' because they avoid shelters and instead sleep on park benches, in alleyways, train stations and abandoned cars had much higher mortality rates than homeless adults who slept in emergency shelters and the Massachusetts adult population in general. This 10-year observational study of 445 unsheltered homeless adults (of whom 1

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How do young people feel about guns, gun regulation in US?

National polls track adult opinions about guns and gun regulation but how do young feel about that? A new research letter describes youth opinions on guns and gun regulation that were drawn from themes in text message survey responses. The majority of the 772 survey respondents were white females with an average age of 18. Most survey respondents reported the belief that gun control laws could hel

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What were consequences of 2013 measles outbreak in New York?

A new report describes the public health impact of a 2013 measles outbreak in New York when an unvaccinated adolescent returned to the city infectious with measles after visiting London, United Kingdom. Between March and June 2013, 58 people in New York City were identified as having measles, most of whom were unvaccinated because of parental refusal or intentional delay, and more than 3,300 expos

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New process in root development discovered

As the plant root grows, a root cap protects its fragile tip. Every few hours, the old cap is lost and a new one replaces it. Researchers have now, for the first time, observed regular cycles of root tip loss and regrowth in real time. In doing so, they uncovered the signal and receptor that coordinate this process.

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Blue crystals in meteorites show that our sun went through the 'terrible twos'

By examining tiny blue crystals trapped inside meteorites, scientists were able to figure out what the sun was like before the Earth formed — and apparently, it had a pretty rowdy start. When scientists analyzed the chemical make-up of these crystals, they found atoms that would only be there if the early sun was spitting out lots of high-energry particles — the solar version of going through th

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Research solves a 160-year-old mystery about the origin of skeletons

Scientists at the University of Manchester and the University of Bristol have used powerful X-rays to peer inside the skeletons of some of our oldest vertebrate relatives, solving a 160-year-old mystery about the origin of our skeletons.

2d

 

Australia facing increased intense rain storms

Large increase in sudden downpours in the last 50 years, with the amount of water falling in hourly rain storms (for example thunderstorms) increasing at a rate 2 to 3 times higher than expected.

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Homo sapiens developed a new ecological niche that separated it from other hominins

A review of archaeological and palaeoenvironmental datasets relating to Middle and Late Pleistocene hominin dispersals within and beyond Africa demonstrates unique environmental settings and adaptations for Homo sapiens relative to other hominins. Our species' ability to occupy diverse and 'extreme' settings around the world stands in stark contrast to the ecological adaptations of other hominin t

2d

 

Scientists create 'impossible' materials in simple way

Scientists from NUST MISIS and colleagues from the University of Bayreuth, the University of Münster (Germany), the University of Chicago (US), and Linköping University (Sweden) have created nitrides, previously considered impossible to obtain, via a very simple method of direct synthesis. The results have been published in Nature Communications and Angewandte Chemie International Edition.

2d

 

Apoteker: Din medicin kan blive sløj i varmen

Varmen kan påvirke din medicins effekt, holdbarhed og kvalitet, fortæller apoteker.

2d

 

Can HBO Give Deadwood a Proper Ending?

HBO’s acclaimed series Deadwood ended on an abrupt note in 2006, canceled in a manner that was once commonplace in the world of television and now would be practically unheard of. Deadwood , created by the highly regarded but mercurial TV auteur David Milch (a co-creator of NYPD Blue ), was a revisionist Western set in the famed South Dakota town during the 1870s, overflowing with baroque profani

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A new classification of symmetry groups in crystal space proposed by Russian scientists

The mutual arrangement of atoms in crystal space is known to correspond to the minimum of the potential energy of interaction of all crystal atoms. The principle of potential energy minimum can be implemented in a number of geometric ways for approximate description of the atomic arrangement in crystals. In particular, these include the principle of close packing for crystals of inorganic compound

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Research team proposes an effective strategy to prepare carbon nanomaterials

Carbon materials (CMs) have great potential in industry due to their high electric conductivity, good chemical stability, and unique microstructure. Traditionally, CMs were prepared by the carbonization of low-vapor-pressure natural products or synthetic polymers. But they suffer from some distinct disadvantages, such as difficulty in tailoring the microstructures and chemical compositions of the

2d

 

Scientists discover a dynamic cellular defense against breast cancer invasion

Researchers report they have demonstrated in mouse tissue grown in the lab that the cell layer surrounding breast milk ducts reaches out to grab stray cancer cells to keep them from spreading through the body. The findings reveal that this cell layer, called the myoepithelium, is not a stationary barrier to cancer invasion, as scientists previously thought, but an active defense against breast can

2d

 

Many young people don't know when female and male fertility declines, study finds

Most students underestimate the impact of female and male age on fertility, new research finds. Less than half could correctly identify the age when a woman's fertility declines and even fewer knew when male fertility declines.

2d

 

Madagascar's lemurs use millipedes for their tummy troubles

Madagascar's red-fronted lemurs may have a secret weapon from nature's medicine cabinet: millipedes. Biologists believe that lemurs chew on millipedes to treat and prevent conditions such as itching or weight loss which are caused by parasites that might live in and around their guts.

2d

 

Fear of litigation is a key factor in decision to perform C-sections

Fear of litigation and perceived safety concerns and are among the key factors influencing the decision to perform a caesarean section.

2d

 

Montane pine forests reached the northeastern coast of the Iberian Peninsula 50,000 years ago

A new study confirms a continuous presence of montane coniferous forests from the Pyrenees to the Mediterranean coast from 50,000 to 15,000 years ago, demonstrating their resilience to the extreme and ever changing climate conditions of the period.

2d

 

Extreme conditions in semiconductors

Physicists have succeeded in experimentally demonstrating Wannier-Stark localization.

2d

 

Great tit birds have as much impulse control as chimpanzees

Biologists have shown that the great tit, a common European songbird, has a tremendous capacity for self-control. Up to now, such impulse control has been primarily associated with larger cognitively advanced animals with far larger brains than the great tit. According to the new results, the great tits' ability for self-control is almost the same as that of ravens and chimpanzees.

2d

 

Nano-optic endoscope sees deep into tissue at high resolution

The diagnosis of diseases based in internal organs often relies on biopsy samples collected from affected regions. But collecting such samples is highly error-prone due to the inability of current endoscopic imaging techniques to accurately visualize sites of disease. The conventional optical elements in catheters used to access hard-to-reach areas of the body, such as the gastrointestinal tract a

2d

 

Carbon 'leak' may have warmed the planet for 11,000 years, encouraging human civilization

The oceans are the planet's most important depository for atmospheric carbon dioxide on time scales of decades to millenia. But the process of locking away greenhouse gas is weakened by activity of the Southern Ocean, so an increase in its activity could explain the mysterious warmth of the past 11,000 years, an international team of researchers reports.

2d

 

Researchers report new understanding of deep earthquakes

Researchers have known for decades that deep earthquakes—those deeper than 60 kilometers, or about 37 miles below the Earth's surface—radiate seismic energy differently than those that originate closer to the surface. But a systematic approach to understanding why has been lacking.

2d

 

Research solves a 160-year-old mystery about the origin of skeletons

Scientists at The University of Manchester and the University of Bristol have used powerful X-rays to peer inside the skeletons of some of our oldest vertebrate relatives, solving a 160-year-old mystery about the origin of our skeletons.

2d

 

New process in root development discovered

As the plant root grows, a root cap protects its fragile tip. Every few hours, the old cap is lost and a new one replaces it. This has puzzled scientists: How do cells at the tip know when to die, and how do cells further back know to divide and form a new layer, especially as these cells are several cell rows apart?

2d

 

Australia facing increased intense rain storms

Landmark study shows how heavy, short rain storms are intensifying more rapidly than would be expected with global warming. Researchers say this is likely to lead to increasing flash floods and urban flooding.

2d

 

New approach to terpene syntheses

Terpenes are natural products that are often very difficult to synthesize in the laboratory. Chemists from the University of Basel have now developed a synthesis method that mimics nature. The decisive step takes place inside a molecular capsule, which enables the reaction. The findings were recently published in the journal Nature Catalysis.

2d

 

The best spies in the skies analyze Mellaria

The network of satellites dubbed COSMO-SkyMed (COnstellation of Small Satellites for Mediterranean basin Observation) has analyzed 49 km2 within the territory containing an ancient Roman city: Mellaria, located within the township of Fuente Obejuna, in the province of Cordoba, whose habitants are still called melarienses [Mellarians] today. The satellites were designed to carry out military espion

2d

 

Blue crystals in meteorites show that our Sun went through the 'terrible twos'

Our Sun's beginnings are a mystery. It burst into being 4.6 billion years ago, about 50 million years before the Earth formed. Since the Sun is older than the Earth, it's hard to find physical objects that were around in the Sun's earliest days—materials that bear chemical records of the early Sun. But in a new study in Nature Astronomy, ancient blue crystals trapped in meteorites reveal what the

2d

 

Do bacteria ever go extinct? New research says yes, bigtime

Bacteria go extinct at substantial rates, although appear to avoid the mass extinctions that have hit larger forms of life on Earth, according to new research from the University of British Columbia (UBC), Caltech, and Lawrence Berkeley National Laboratory. The finding contradicts widely held scientific thinking that microbe taxa, because of their very large populations, rarely die off.

2d

 

Ever-increasing CO2 levels could take us back to the tropical climate of Paleogene period

A new study led by scientists at the University of Bristol has warned that unless we mitigate current levels of carbon dioxide emissions, Western Europe and New Zealand could revert to the hot tropical climate of the early Paleogene period—56-48 million years ago.

2d

 

Homo sapiens developed a new ecological niche that separated it from other hominins

Critical review of growing archaeological and palaeoenvironmental datasets relating to the Middle and Late Pleistocene (300-12 thousand years ago) hominin dispersals within and beyond Africa, published today in Nature Human Behaviour, demonstrates unique environmental settings and adaptations for Homo sapiens relative to previous and coexisting hominins such as Homo neanderthalensis and Homo erect

2d

 

In a Weyl thermopile—low-power devices may one day run on new heat-based power source

A new way to generate electricity in special materials called Weyl magnets has been discovered by physicists at the University of Tokyo. The method exploits temperature gradients, differences in temperature throughout a material. This could pave the way for maintenance-free remote sensing devices or even medical implants.

2d

 

Sorry, Nerds: Terraforming Might Not Work on Mars

If a new analysis is correct, conditions on Mars make it impossible for existing technology to turn it into a garden of Earth-like delights.

2d

 

Poor mental health days may cost the economy billions of dollars

Poor mental health may cost businesses nearly as much as physical health problems, according to researchers. A single extra poor mental health day in a month was associated with a 1.84 percent drop in the per capita real income growth rate, resulting in $53 billion less total income each year.

2d

 

A reliable, easy-to-use mouse model for investigating bone metastasis

Researchers at Tokyo Tech propose an improved mouse model that could revolutionize bone metastasis research. Their method, which involves injecting cancer cells via the so-called caudal artery in the mouse tail, overcomes many limitations of traditional mouse models. The new model could thus open a new chapter in the development of therapeutic strategies for bone metastasis and cancer progression.

2d

 

Peste des petits ruminants: a model for use in eradicating the disease

After rinderpest, it is peste des petits ruminants that the OIE, FAO and European Union want to eradicate by 2030. This highly contagious disease is currently found in Africa, Asia and the Middle East, and was recently detected in Bulgarie , on the border with Turkey. An article published in the journal PNAS on 23 July suggests a model that serves to prioritize zones for vaccination. This is a wel

2d

 

Largest king penguin colony has shrunk nearly 90 percent

The world's biggest colony of king penguins is found in the National Nature Reserve of the French Southern and Antarctic Lands (TAAF). Using high-resolution satellite images, researchers from the Chizé Centre for Biological Studies (CNRS / University of La Rochelle) have detected a massive 88 percent reduction in the size of the penguin colony, located on Île aux Cochons, in the Îles Crozet archip

2d

 

GRAVITY confirms predictions of general relativity

Observations made with the Very Large Telescope (VLT) of the European Southern Observatory (ESO) have, for the first time, detected the effects of general relativity predicted by Einstein, in the movement of a star passing into the intense gravitational field of Sagittarius A*, a massive black hole at the centre of the Milky Way.

2d

 

Study reveals the Great Pyramid of Giza can focus electromagnetic energy

Scientists applied methods of theoretical physics to investigate the electromagnetic response of the Great Pyramid to radio waves. Scientists predicted that under resonance conditions the pyramid can concentrate electromagnetic energy in its internal chambers and under the base. The research group plans to use these theoretical results to design nanoparticles capable of reproducing similar effects

2d

 

Looking inside the lithium battery's black box

Researchers report the use of SRS microscopy, a technique widely used in biomedical studies, to explore the mechanism behind dendrite growth in lithium batteries, the first team of material scientists to directly observe ion transport in electrolytes. They were able to see not only why lithium dendrites form but also how to inhibit their growth. Visualizing ion movement could help improve the perf

2d

 

Why bariatric surgery wait times have nearly doubled in 10 years

Eligible patients are increasingly facing longer waits for operations proven to help them safely lose weight that endangers their health, according to a multi-center study. Often driven by insurers, delays in approving weight-loss surgery can deter some patients from the pursuit. And waiting longer doesn't improve safety.

2d

 

'Unreasonable behaviour' most common ground for divorce, new research suggests

What grounds do people give for wanting a divorce?

2d

 

The magic of secret islands creates safe haven for literary classics on Minecraft.edu

The magic of Treasure Island, complete with swashbuckling pirates and buried gold, is captured in a pioneering project, created by a Lancaster University team, which brings gaming and textual worlds together to re-engage schoolchildren with literary classics.

2d

 

Spørg Scientariet: Har bier et radarsystem?

En læser undrer sig over, at hans bier i haven ikke støder hovederne sammen, når de flyver ud og ind af stadet. Danmarks Biavlerforening svarer.

2d

 

Researchers predict cell conversion factors

Thanks to a newly developed computational method, Luxembourg researchers can accurately predict how one subpopulation of cells can be converted into another. "The method has great potential for regenerative medicine when it comes to replacing cell subpopulations that have been lost in the course of disease, for example," explains Prof. Dr. Antonio del Sol, head of the Computational Biology group o

2d

 

Weaponized information seeks a new target in cyberspace—users' minds

The Russian attacks on the 2016 U.S. presidential election and the country's continuing election-related hacking have happened across all three dimensions of cyberspace – physical, informational and cognitive. The first two are well-known: For years, hackers have exploited hardware and software flaws to gain unauthorized access to computers and networks – and stolen information they've found. The

2d

 

Matter: ‘Global Greening’ Sounds Good. In the Long Run, It’s Terrible.

Rising carbon dioxide levels are making the world greener. But that’s nothing to celebrate.

2d

 

Great tit birds have as much impulse control as chimpanzees

Biologists at Lund University in Sweden have in a recent study shown that the great tit, a common European songbird, has a tremendous capacity for self-control. Up to now, such impulse control has been primarily associated with larger cognitively advanced animals with far larger brains than the great tit. According to the new results, the great tits' ability for self-control is almost the same as

2d

 

Merge attack: Scientists find mechanism of virus penetration into living cell

Viruses often present the main threat to the human body, with diseases like HIV, Herpes, Hepatitis, Ebola and forms of influenza, causing serious damage. A joint research team from the A.N. Frumkin Institute of Physical Chemistry & Electrochemistry, NUST MISIS, and MIPT have created a theoretical model describing the mechanical properties of the lipid membranes of both the virus and the targeted c

2d

 

'Unreasonable behaviour' most common ground for divorce (new research suggests)

A new Oxford University study charts the changes in the main 'facts' that husbands and wives give for petitioning for divorce, since the Divorce Reform Act 1969 was implemented in 1971. It finds that over time, people's use of the law for legally ending their unions has changed considerably, with the fault-based fact of 'unreasonable behaviour' most used in recent years, and desertion the least.

2d

 

A new climate model can predict dengue outbreaks in the Caribbean region

The risk of outbreaks is highest after a period of drought followed by intense rainfall several months later.

2d

 

Einstein's general relativity confirmed near black hole

Observations made with ESO's Very Large Telescope have for the first time clearly revealed the effects of Einstein's general relativity on the motion of a star passing through the extreme gravitational field very close to the supermassive black hole in the center of the Milky Way. This long-sought result represents the climax of a 26-year-long observation campaign using ESO's telescopes in Chile.

2d

 

Experimental drug reverses hair loss and skin damage linked to fatty diet, shows new study in mice

In a series of experiments with mice, investigators have used an experimental compound to successfully reverse hair loss, hair whitening and skin inflammation linked by previous studies to human diets heavy in fat and cholesterol.

2d

 

Allergy clinic finds large percentage of anaphylaxis cases from tick bite meat allergy

An increase in the Lone Star tick population since 2006, and the ability to recognize the ticks as the source of 'alpha gal' allergy to red meat has meant significantly more cases of anaphylaxis being properly identified.

2d

 

Madagascar's lemurs use millipedes for their tummy troubles

Madagascar's red-fronted lemurs may have a secret weapon from nature's medicine cabinet: millipedes. This is according to a study led by Louise Peckre of the German Primate Center at the Leibniz Institute for Primate Research in Germany. Peckre and her colleagues believe that lemurs chew on millipedes to treat and prevent conditions such as itching or weight loss which are caused by parasites that

2d

 

Statistics, computer science students collaborate on real-world data problems through mini-think tanks

What is the difference between statistics and data science—and, perhaps more importantly, why do we have two fields with what seems to be the same focus? The best way to understand the emergence of data science as a separate discipline, explains Herman "Gene" Ray, director of the Center for Statistics and Analytical Research at Kennesaw State University, is to see data science as the merger of com

2d

 

3D-printed artificial intelligence running at the speed of light—from object classification to optical component design

Deep learning is one of the fastest-growing machine learning methods that relies on multi-layered artificial neural networks. Traditionally, deep learning systems are implemented to be executed on a computer to digitally learn data representation and abstraction, and perform advanced tasks, comparable to or even superior than the performance of human experts. Recent successful applications of deep

2d

 

Great White Shark Takes A Gamble In Atlantic City Waters | Shark News

Fisherman Chris O'Neill got the surprise of a lifetime when he accidentally hooked a 6-foot juvenile great white shark 15 miles off the coast of Atlantic City, New Jersey. Stream Shark Week Episodes: https://www.discovery.com/tv-shows/shark-week/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/Discovery https://www.facebook.com/SharkWeek Foll

2d

 

Researchers demonstrate shark vertebral band pairs are related to growth, not time

Band pairs in shark vertebrae have been used for decades to estimate shark age, of practical use in conserving overfished sharks and managing the remaining shark fisheries. However, recent research demonstrates that previous methods used to determine the age of sharks have underestimated those ages, particularly in older sharks.

2d

 

New technology enhances speech perception

Future hearing aid users will be able to target their listening more accurately thanks to new Danish technology. A researcher from Aalborg University uses machine learning to teach a computer programme how to remove unwanted noise and enhance speech.

2d

 

Extreme conditions in semiconductors

Scientists from the University of Konstanz and Paderborn University have succeeded in producing and demonstrating what is known as Wannier-Stark localization for the first time. In doing so, the physicists managed to overcome obstacles that had so far been considered insurmountable in the field of optoelectronics and photonics. Wannier-Stark localization causes extreme imbalance within the electri

2d

 

Harley-Davidson rebels with an electric motorcycle

Smaller bikes, electric engines, online sales and urban storefronts, Harley-Davidson, we hardly knew you.

2d

 

Why some working women prefer ‘intentional invisibility’

Professional women have strong reasons to ignore recommendations that urge them to have a more visible presence at work, according to a new study. While research has shown that visibility in the workplace is critical for professional advancement, the reality is that for some women, it’s easier said than done. For two years, three sociologists from Stanford University immersed themselves in a wome

2d

 

Extreme conditions in semiconductors

Physicists from the Universities of Konstanz, Paderborn and ETH Zurich have succeeded in experimentally demonstrating Wannier-Stark localization

2d

 

Fear of litigation is a key factor in decision to perform C-sections

Fear of litigation and perceived safety concerns and are among the key factors influencing the decision to perform a caesarean section, according to a major international literature review conducted by researchers at the School of Nursing and Midwifery, Trinity College Dublin.

2d

 

Madagascar's lemurs use millipedes for their tummy troubles

Madagascar's red-fronted lemurs may have a secret weapon from nature's medicine cabinet: millipedes. This is according to a study led by Louise Peckre of the German Primate Center at the Leibniz Institute for Primate Research in Germany. Peckre and her colleagues believe that lemurs chew on millipedes to treat and prevent conditions such as itching or weight loss which are caused by parasites that

2d

 

Montane pine forests reached the northeastern coast of the Iberian Peninsula 50,000 years ago

The analysis of charcoal from the hearths of the Cova Gran settlement, located in Les Avellanes-Santa Linya, Lleida, at 385 metres above sea level, confirms that montane forests of the northeastern part of the Iberian Peninsula covered the Pyrenees and reached the Mediterranean coast some 50,000 to 15,000 years ago, with a large predominance of montane pine trees and most probably Scots pine.

2d

 

Material scientists use stimulated Raman scattering microscopy to observe ions moving in liquid electrolyte

Lithium metal batteries hold tremendous promise for next-generation energy storage because the lithium metal negative electrode has 10 times more theoretical specific capacity than the graphite electrode used in commercial Li-ion batteries. It also has the most negative electrode potential among materials for lithium batteries, making it a perfect negative electrode. However, lithium is one of the

2d

 

Researchers demonstrate shark vertebral band pairs are related to growth, not time

Band pairs in shark vertebrae have been used for decades to estimate shark age, of practical use in conserving overfished sharks and managing the remaining shark fisheries. However, recent research demonstrates that previous methods used to determine the age of sharks have underestimated those ages, particularly in older sharks.

2d

 

Individual silver nanoparticles observed in real time

Chemists have developed a new method of observing the chemical reactions of individual silver nanoparticles, which only measure a thousandth of the thickness of a human hair, in real time. The particles are used in medicine, food and sports items because they have an antibacterial and anti-inflammatory effect. However, how they react and degrade in ecological and biological systems is so far barel

2d

 

Illuminating electronics: Researchers construct all-optical pocket calculator

New findings have the potential to change how electronics process logic functions, the elementary building blocks of computing.

2d

 

A brain injury diagnosed with a single drop of blood

Every year, millions of people are admitted into hospitals for suspected mild traumatic brain injury cases. Today, the only reliable diagnosis is the CT Scan, which is only available in some hospitals and exposes patients to radiation. Researchers have now developed a small device that analyzes the level of proteins in the blood and allows, using a single drop of blood, to diagnose the possibility

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This Parasite Drugs Its Hosts With the Psychedelic Chemical in Shrooms

Imagine emerging into the sun after 17 long years spent lying underground, only for your butt to fall off. That ignominious fate regularly befalls America’s cicadas. These bugs spend their youth underground, feeding on roots. After 13 or 17 years of this, they synchronously erupt from the soil in plagues of biblical proportions for a few weeks of song and sex. But on their way out, some of them e

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These non-medical talks elicit better end-of-life plans

New research suggests better results when people with serious diseases discuss their end-of-life decisions with a non-clinical worker. The findings suggest that patients with a serious illness are more at ease with decisions about their care when they discuss their care preferences with someone outside the medical context, say the researchers. Patients with advanced cancer who spoke with a traine

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After cereal, even healthy people’s blood sugar spikes

The level of sugar in an individual’s blood—especially in individuals who are considered healthy—fluctuates more than traditional means of monitoring, like the one-and-done finger-prick method, would have us believe, according to a new study. “…folks who think they’re healthy actually are misregulating glucose—sometimes at the same severity of people with diabetes—and they have no idea…” Often, t

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Montane pine forests reached the northeastern coast of the Iberian Peninsula 50,000 years ago

A study conducted by the CEPAP-UAB at Cova de Santa Linya confirms a continuous presence of montane coniferous forests from the Pyrenees to the Mediterranean coast from 50,000 to 15,000 years ago, demonstrating their resilience to the extreme and ever changing climate conditions of the period.

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A new climate model can predict dengue outbreaks in the Caribbean region

The risk of outbreaks is highest after a period of drought followed by intense rainfall several months later

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Parents inclined to invest more if child attends better quality school

Parents consider that spending money on learning resources such as books, educational games and private tuition for their children is more productive if the child attends a higher quality school, according to new research led by UCL.

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Another Dark-Matter Search Fails — Shedding Light on the Universe

Dark matter has, once again, failed to turn up where researchers hoped they might find it. Here's what that means.

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Watchdog urges China to clamp down on imports of illegal timber

Beijing must better scrutinise imports of illegally logged timber from countries such as Papua New Guinea where deforestation is devastating ecosystems and livelihoods, Global Witness said Monday.

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A brain injury diagnosed with a single drop of blood

Every year in Europe, three million people are admitted into hospitals for suspected mild traumatic brain injury cases. Today, the only reliable diagnosis is the CT Scan, which is only available in some hospitals and exposes patients to radiations. Researchers from UNIGE have developed a small device that analyses the level of proteins in the blood and allows, using a single drop of blood, to diag

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MSU-based physicists studied complex magnetism in a rare earth compound

A team of scientists from Skobelitsyn Institute of Nuclear Physics, MSU together with their colleagues from the Russian Academy of Sciences synthesized dysprosium germanide in a metastable state. The compound revealed two instances of complex magnetism. The results of the study have been published in the Journal of Alloys and Compounds.

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Individual silver nanoparticles observed in real time

Chemists at Ruhr-Universität Bochum have developed a new method of observing the chemical reactions of individual silver nanoparticles, which only measure a thousandth of the thickness of a human hair, in real time. The particles are used in medicine, food and sports items because they have an antibacterial and anti-inflammatory effect. However, how they react and degrade in ecological and biologi

2d

 

Targeting gene mutations to treat ovarian cancers

New research has shown that ovarian cancer patients with a tumour mutation in the BRAF gene respond exceptionally well to treatment with targeted drugs, known as BRAF inhibitors.

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A breakthrough of monitoring energy storage at work using optical fibers

An optic fiber sensing system developed by researchers in China and Canada can peer inside supercapacitors and batteries to observe their state of charge.

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Death toll rises as tinder-dry conditions fuel deadly California fires

The death toll in California's wildfires rose to seven as shaken survivors recounted the horror of watching fast moving flames whip through neighborhoods and devour their homes.

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How to ditch your Android for an iPhone—and take your files with you

DIY Goodbye Google, hello Apple. If you switch phones, you'll want to bring your data with you. This is particularly hard when you're moving from Android to iOS. Here's how to do it.

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Iraqi farmers fight to save cattle from drought

Iraqi farmer Sayyed Sattar knows he'll soon have to let some of his buffalo go as he surveys the herd bathing in a dwindling pond close to the holy city of Najaf.

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The Marshall Plan That Failed

“We used to win,” Donald Trump said through his campaign and into his presidency. “We don’t win anymore.” For all the outrage the line would regularly elicit, it in fact reflects one of the few points that Trump and his critics in the foreign-policy establishment agree on. Both look back with nostalgia to a lost golden age, when America did great things at home and on the world stage. Trump’s sto

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Chile to restrict tourists and non-locals on Easter Island

Easter Island is known for its unique Moai monumental statues carved by the Rapa Nui people, believed to have arrived on the remote landmass in the southeastern Pacific Ocean in around the 12th century.

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What's really driving the future of retail?

Many predictions about the "future of retailing" have been made. These range from the supposed dominance of certain technologies, to increased use of data and analytics, the rising need for personalisation and customisation, and the transformation of physical spaces.

2d

 

Lasers write better anodes

Laser-scribed disordered graphene significantly improves sodium-ion battery capacity.

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Illuminating electronics: Researchers construct all-optical pocket calculator

New findings from Aalto University have the potential to change how electronics process logic functions, the elementary building blocks of computing.

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Many young people don't know when female and male fertility declines, study finds

Most students underestimate the impact of female and male age on fertility, new research published in Human Fertility finds. Less than half could correctly identify the age when a woman's fertility declines and even fewer knew when male fertility declines.

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Scientists discover a dynamic cellular defense against breast cancer invasion

Johns Hopkins researchers report they have demonstrated in mouse tissue grown in the lab that the cell layer surrounding breast milk ducts reaches out to grab stray cancer cells to keep them from spreading through the body. The findings reveal that this cell layer, called the myoepithelium, is not a stationary barrier to cancer invasion, as scientists previously thought, but an active defense agai

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Researchers demonstrate shark vertebral band pairs are related to growth, not time

Band pairs in shark vertebrae have been used for decades to estimate shark age, of practical use in conserving overfished sharks and managing the remaining shark fisheries. However, recent research demonstrates that previous methods used to determine the age of sharks have underestimated those ages, particularly in older sharks.

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The Daily Bite's Greatest Hits | Shark Week

It's not a goodbye, it's a I'll see you next Shark Week! This is episode 30 of The Daily Bite and we have had an amazing time celebrating 30 Years of Shark Week. Enjoy, in this final episode, the greatest hits of The Daily Bite! Stream The Daily Bite on Discovery GO: https://www.discovery.com/tv-shows/the-daily-bite/ Stream Shark Week Episodes: https://www.discovery.com/tv-shows/shark-week/ Subsc

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In the ant world, a mix of worker sizes leads to building superior nests

Some civilizations build Gothic cathedrals, and some build huts.

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Researchers discover three new species of poisonous Colombian frogs

By studying more than 300 dart frogs, the researchers have found that two existing Oophaga frog species actually "hid" three additional groups, and that there are actually a total of five species.

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Star Wars News: Darth Vader's House Will Get Spooky This Halloween

A new horror comic series called 'Star Wars: Tales from Vader's Castle' will hit shelves this October.

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Smart gardens to help save Earth's soil

Smartphone users can now collect important data from their gardens to help the battle against climate change and solve the planet's hunger crisis.

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The simplest organic acid detected in a protoplanetary disk for the first time

Using the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of researchers has detected formic acid in the circumstellar disk of the TW Hydrae system. It is the first discovery of the simplest carboxylic acid in a protoplanetary disk. The finding is reported in a paper published July 16 on arXiv.org.

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Scientists took another step towards creating an HIV vaccine

Scientific group of Peter the Great St. Petersburg Polytechnic University headed by Professor Andrei Kozlov published the results of a study devoted to the search of solutions for creating the HIV vaccine.During two years, with the support of the Russian Science Foundation's grant, researchers studied features of transmitted variants of HIV-1 virus. This type of HIV transmission is most typical fo

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The cosmic ray gun duel of Eta Carinae

An international collaboration operating NASA's NuSTAR satellite has revealed that two of the biggest stars in the galaxy are capable of creating cosmic rays. Their results were published in Nature Astronomy this month.

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Einstein's general relativity confirmed near black hole

Observations made with ESO's Very Large Telescope have for the first time clearly revealed the effects of Einstein's general relativity on the motion of a star passing through the extreme gravitational field very close to the supermassive black hole in the center of the Milky Way. This long-sought result represents the climax of a 26-year-long observation campaign using ESO's telescopes in Chile.

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Researchers report long hidden properties of Polaris

Two Villanova University astrophysics professors led a research team that has discovered the long hidden physical properties of Polaris, popularly known as "The North Star." Until now, scientists' wide-ranging estimates of the star's distance from the Earth (322-520 light years), made determining its physical makeup difficult. But, equipped with precise distance measurements recently made by the E

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How the Russian government used disinformation and cyber warfare in 2016 election – an ethical hacker explains

The Soviet Union and now Russia under Vladimir Putin have waged a political power struggle against the West for nearly a century. Spreading false and distorted information – called "dezinformatsiya" after the Russian word for "disinformation" – is an age-old strategy for coordinated and sustained influence campaigns that have interrupted the possibility of level-headed political discourse. Emergin

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Popcorn-powered robots would be cheap—and edible

Popcorn might be a way to power inexpensive robotic devices that grip, expand, or change rigidity, researchers say. When it gets hot, popcorn can expand more than 10 times in size, change its viscosity by a factor of 10, and transition from regular to highly irregular granules with surprising force. “The goal of our lab is to try to make very minimalistic robots which, when deployed in high numbe

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Using nanowires to build all-optical logic gates

A team of researchers at Aalto University in Finland has found a way to use nanowires to build all-optical logic gates—a major step toward building a light-based computer. In their paper published in the journal Science Advances, the group describes their new approach, how well it worked in testing, and what they believe needs to happen next to allow for the use of such gates in an actual computer

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Bacteria that boost plant pumps against drought

Adding certain types of bacteria to soil could help protect plants against drought by activating a proton pump in root cells.

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LHC accelerates its first 'atoms'

Protons might be the Large Hadron Collider's bread and butter, but that doesn't mean it can't crave more exotic tastes from time to time. On Wednesday, 25 July, for the very first time, operators injected not just atomic nuclei but lead "atoms" containing a single electron into the LHC. This was one of the first proof-of-principle tests for a new idea called the Gamma Factory, part of CERN's Physi

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How to Win Elections in a System 'Not Set Up for Us'

ATLANTA— It was midway through a sticky Georgia Saturday, and Jessica Byrd was dispelling myths about the way black women are supposed to run for office in 2018. About 120 candidates, operatives, and candidates of the future—both men and women—sat on green plastic chairs inside a building that normally houses an environmental nonprofit in east Atlanta. This was the second annual Black Campaign Sc

2d

 

Big changes at economic census will provide new insights into US economy

Every five years, the US Census Bureau conducts an economic census, providing official benchmark measures of American business and the economy. Despite being less well-known than the population census, the economic census—based on a representative sample of approximately 4 million businesses from about 400 industries—is vital to understanding how the nonagricultural sectors of the US economy are p

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What if the companies that profit from your data had to pay you?

When it comes to digital privacy, there are plenty of organisations making money out of using your data – Google and Facebook are just two examples. But what if you were the one making the money?

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The fate of future endangered species could hinge on a semantic argument

Environment What is the “foreseeable future” anyway? Everyone agrees that the Pacific walrus is stressed. The large, tusked pinnipeds depend on floating sea ice to rest and give birth in the spring and summers, when the…

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What It Takes to Be a Trial Lawyer If You’re Not a Man

L ast year, Elizabeth Faiella took a case representing a man who alleged that a doctor had perforated his esophagus during a routine medical procedure. Before the trial began, she and the defense attorney, David O. Doyle Jr., were summoned to a courtroom in Brevard County, Florida, for a hearing. Doyle had filed a motion seeking to “preclude emotional displays” during the trial—not by the patient

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Consumers trust supermarkets more than online giants, new research shows

Most consumers trust supermarkets more than online-only retail giants such as ASOS, according to new research from Monash University released today.

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Meet The Restaurateurs Fighting To Save The Grand Staircase-Escalante Monument

Hell's Backbone Grill is an acclaimed restaurant founded nearly 20 years ago at the edge of the Utah monument. Now, amid controversy, its owners are battling Trump's plans to downsize the land. (Image credit: Ace Kvale)

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'Octopath Traveler' Collapses Under the Weight of Its Influences

With too many beginnings and too few reasons, the Japanese role-playing game looks to the past but stumbles in the present.

2d

 

Image of the Day: Squeeze In

A novel system lets researchers examine the neuromuscular features of a hydra.

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How wildlife will keep cool in the face of rising temperatures

Large numbers of species are at risk of global extinction from climate change. As a result, some governments are trying include wildlife in their plans for how to adapt the management of natural landscapes to a warming world. The problem is we still know very little about the sorts of environments that could help wildlife survive adverse climate shifts.

2d

 

Individual silver nanoparticles observed in real time

Chemists at Ruhr-Universität Bochum have developed a new method of observing the chemical reactions of individual silver nanoparticles, which only measure a thousandth of the thickness of a human hair, in real time. The particles are used in medicine, food and sports items because they have an antibacterial and anti-inflammatory effect. However, how they react and degrade in ecological and biologi

2d

 

Italy’s Voters Aren’t Anti-Immigration—But Their Government Is

ROME —Italy’s populist coalition government is dominated by Matteo Salvini, the interior minister and deputy prime minister who fills the airwaves and social media with his tough talk on deporting illegal immigrants . Over the weekend, he cited Mussolini —“more enemies, more honor”—on the dictator’s birthday. He’s warned that immigrants are eroding Italy’s security and identity, called for an eth

2d

 

Laser-scribed disordered graphene significantly improves sodium-ion battery capacity

Sodium-ion batteries have potential to replace the currently used lithium-ion batteries by using the cheaper (less than a thirtieth of the cost of lithium) and more abundant sodium resource. This has particular potential in Saudi Arabia, where sodium is readily available and easily extracted as a byproduct of water desalination, a significant source of potable water in the country.

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Solution to water pollution is prevention, says expert

When Dionysios Dionysiou was a child on the island state of Cyprus in the late 1960s, his family got drinking water from a communal fountain each day.

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How citizen scientists are uncovering octopus secrets

Most of us will have watched a BBC documentary at some point and seen exotic octopuses, cuttlefish and squid in foreign seas. Fewer of us realise that these molluscs, which resemble aliens in our imagination with their tentacles and large heads, can also be seen relatively easily around the UK coast, often in only a few meters of water.

2d

 

Researchers review the rapid progress in machine learning for the chemical sciences

A new tool is drastically changing the face of chemical research – artificial intelligence. In a new paper published in Nature, researchers review the rapid progress in machine learning for the chemical sciences.

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Cooking even when the wind blows

Students and a doctoral candidate at ETH Zurich have developed a camping stove with the flame on the inside, greatly reducing the negative effects of wind and heat loss. The new design was made possible by additive manufacturing.

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Changing Climate Pushes Arid West Eastward, Impacting Farming

The 100th meridian has long divided the U.S. into an arid West and more humid East. Research suggests a warming climate is pushing that boundary east, shaking up agricultural economies along the way.

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How dumping fish scraps is putting stingrays at risk

A new study from Macquarie University shows that the habit of dumping fish waste back into the water can have significant and concerning impacts on the behaviour of marine animals.

2d

 

Climate Change: We're Not Literally Doomed, but…

…there’s space for action between “everything is fine” and “the apocalypse is upon us” — Read more on ScientificAmerican.com

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Adapting technology to image blood vessels in skin disease

Small vessel vasculitis—inflammation of the small blood vessels—appears as a stain of tiny, red dots covering the skin that, depending on the severity, can evolve into painful pustules or ulcers. In some patients, it may even reflect inflammation in internal organs.

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Heatwave was triggered by climate change, according to new research

The unprecedented temperatures seen over Summer 2018 are a sign of things to come—and a direct result of climate change, according to new Oxford University research.

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Poll: Older adults support opioid Rx limits, need better counseling on use & disposal

Nearly a third of older adults have received a prescription for an opioid pain medicine in the past two years, but many didn't get enough counseling about the risks that come with the potent painkillers, how to reduce their use, when to switch to a non-opioid option, or what to do with leftover pills, a new poll finds. Nearly three-quarters would support limits on how many opioid pills a doctor co

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Dear Therapist: Having a Blended Family Is Causing a Lot of Problems

Editor’s Note: Every Monday, Lori Gottlieb answers questions from readers about their problems, big and small. Have a question? Email her at dear.therapist@theatlantic.com . Dear Therapist, My fiancé and partner of eight years has two teenage boys from his first marriage (ages 13 and 15). We have only lived together for a couple of years. They appear to be typical kids—hate school, don’t read, no

2d

 

Space station experiment reaches ultracold milestone

The International Space Station is officially home to the coolest experiment in space.

2d

 

Ozone hole is both environmental success story and global threat

The headlines in recent months read like an international eco-thriller.

2d

 

An expressway for electrons in oxide heterostructures

NUS physicists have developed a new methodology for determining the impact of screening effects on charge carrier mobility at the interface of complex material structures.

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Image: Two lunar flashes light up darkened moon

On 17 July 2018, an ancient lump from space thwacked into the moon with enough energy to produce a brilliant flash of light. With another space rock seemingly in pursuit, a second flash lit up a different region of the Moon almost exactly 24 hours later (see GIF).

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When it comes to decisions, breaking up is hard to do

Whether it's a bad relationship, a failing corporate strategy or an old car that you just can't quit, we all like to believe that our decisions to stick things out are rational and logical, but the truth is that our minds fool us.

2d

 

Oldest Evidence for Life on Land Unearthed in South Africa

About 3.22 billion years ago, ancient mats of microbes clung to pebbles in an ancient riverbed.

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This tick may play a part in gumming up your arteries

Having antibodies to a sugar tied to red-meat allergy is associated with more plaque in the artery walls, a small study shows.

2d

 

Why Westerners Fear Robots and the Japanese Do Not

The hierarchies of Judeo-Christian religions mean that those cultures tend to fear their overlords. Beliefs like Shinto and Buddhism are more conducive to have faith in peaceful coexistence.

2d

 

If Germany Can't Quit Coal, Can Anyone Else?

Germany's last black-coal mine will close next month. But that doesn't mean the country has weaned itself off the emissions-spewing stuff.

2d

 

DARPA has an ambitious $1.5 billion plan to reinvent electronics

The US military agency is worried the country could lose its edge in semiconductor chips with the end of Moore’s Law.

2d

 

Øget optag på DTU: Spritny uddannelse i kunstig intelligens får flere pladser

En strøm af ansøgere til den nye uddannelse i Kunstig Intelligens og Data har fået DTU til at finde ekstra pladser til de studerende.

2d

 

String Theory May Create Far Fewer Universes Than Thought

Some physicists claim the popular landscape of universes in string theory may not exist — Read more on ScientificAmerican.com

2d

 

How Record Heat Wreaked Havoc on Four Continents

We talked to people who found themselves on the front lines of climate change this year. Here are their stories.

2d

 

Nonfiction: Two Books Explore the Front Lines of Infertility

Two new memoirs — Elizabeth Katkin’s “Conceivability” and Emma Brockes’s “An Excellent Choice” — trace very different paths to motherhood.

2d

 

Techtopia #63 – sommerMIX: El-cyklens indtog

Måske går du rundt og tror, at Teslas el-biler skal frelse verdens storbyer fra et forurenende trafikkaos? Men du tager fejl. Det rigtige svar er din gamle cykel. Måske suppleret med et batteri, så du nemt kan køre længere ture. Og på sigt lave din cykel om til en rullende mobiltelefon.

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How Russia Persecutes Its Dissidents Using U.S. Courts

Updated at 11:30 a.m. ET. A little more than six years ago, Sasha was on his way to a meeting of Russia’s pro-democracy Yabloko Party in the tiny Russian republic of Kalmykia when he was pulled into an unmarked black car by two plainclothes police officers. He was interrogated for three days about his prior activity with the party, his lawyer told me, and his captors demanded that he sign a confe

2d

 

Varmeplagede træer får huse til at slå revner

Den langvarige sommervarme har udtørret jorden i sådan en grad, at huse på Fyn og i Jylland er begyndt at slå revner. Forsikringen dækker ikke, og skaderne er svære at forebygge.

2d

 

Looking inside the lithium battery's black box

Columbia University researchers report the use of SRS microscopy, a technique widely used in biomedical studies, to explore the mechanism behind dendrite growth in lithium batteries, the first team of material scientists to directly observe ion transport in electrolytes. They were able to see not only why lithium dendrites form but also how to inhibit their growth. Visualizing ion movement could h

2d

 

Experimental drug reverses hair loss and skin damage linked to fatty diet, shows new study in mice

In a series of experiments with mice, Johns Hopkins investigators have used an experimental compound to successfully reverse hair loss, hair whitening and skin inflammation linked by previous studies to human diets heavy in fat and cholesterol.

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Being overweight may change young adults' heart structure, function

Being overweight may cause higher blood pressure and changes to the heart's structure, even in young adults. Efforts to achieve or maintain a normal weight from a young age may help to prevent the development of heart disease later in life. The innovative study design used a new genetic analysis to assess if weight directly causes higher blood pressure and changes in heart's structure.

2d

 

Feriejob for ingeniørstuderende: Reparerer hospitalsudstyr i Mongoliet

Studerende fra DTU har hevet seks uger ud af kalenderen og taget til Mongoliet for at reparere udstyr på et af de offentlige hospitaler.

2d

 

Off Your Mental Game? You Could Be Mildly Dehydrated

Dehydration has long been known to slow physical performance. Now there's evidence that too little water can hurt cognitive performance, too, making complex thinking tasks harder. (Image credit: RunPhoto/Getty Images)

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Youtube kører fem gange så langsomt i alle andre browsere end Chrome

Google favoriserer sin egen browser, Chrome, med videotjenesten Youtube, viser flere uafhængige test.

3d

 

Kommuners ukrypterede mail-svipsere er ‘dybt ulovlige og tegn på umodenhed’

Fejlsendte mails med persondata fra Randers kommune er et lille juridisk problem, som bliver stort, fordi kommunen har undladt at gribe ind, vurderer jurist.

3d

 

Origin of the species: where did Darwin's finches come from?

Galápagos finches have been the subject of a plethora of evolutionary studies, but where did the first ones come from? When the first of the Galápagos Islands arose from the ocean floor around 3m years ago, they were naked, angry, lava-spewing cones devoid of life. Now, millions of years later, they are alive with some of the world’s most iconic animals. Giant tortoises. Sea iguanas. Flightless c

3d

 

Angelina Jolie’s surgeon peddles misinformation about…breast cancer!

Dr. Kristi Funk is a surgeon to the stars in Beverly Hills who operated on Sheryl Crow and Angelina Jolie for breast cancer. This year, she published a book about breast health and breast cancer. Unfortunately, it's full of misinformation and radical advice with little or no basis in science.

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Can you solve it? Rise to the Skyscrapers challenge

Attack the block! UPDATE: Solutions are available here Hi guzzlers, Skyscrapers is one of my favourite Japanese logic puzzles because it forces you to think three-dimensionally, and also because Tokyo is full of skyscrapers. Continue reading…

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Miljøtjek: Er diesel værre end benzin?

Dieselbilen er kommet i modvind den senere tid. Men med nye og strengere europæiske krav nærmer miljøpåvirkningen sig i højere grad benzinbilers niveau.

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Forskere har kortlagt 800.000 års biodiversitet i ultra-præcis model

Et hold forskere med dansk deltagelse har bygget en computermodel, som viser, hvordan biodiversiteten udvikler sig i forhold til klima og geografi. Næste skridt er en videreudvikling til at forudse, hvilke arter der uddør, når temperaturen stiger.

3d

 

Inflammation inhibitor delivered directly to kidneys reverses course of destructive nephritis

Using a manmade version of a human antibody to directly deliver a drug that inhibits a powerful driver of inflammation, can reverse a disease course that often leads to kidney failure and dialysis, investigators report.

3d

 

Why bariatric surgery wait times have nearly doubled in 10 years

Eligible patients are increasingly facing longer waits for operations proven to help them safely lose weight that endangers their health, according to a multi-center study by surgeons at the University of Michigan. Often driven by insurers, delays in approving weight-loss surgery can deter some patients from the pursuit. And waiting longer doesn't improve safety.

3d

 

Allergy clinic finds large percentage of anaphylaxis cases from tick bite meat allergy

An increase in the Lone Star tick population since 2006, and the ability to recognize the ticks as the source of 'alpha gal' allergy to red meat has meant significantly more cases of anaphylaxis being properly identified.

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Study suggests journalists must take care in reporting on suicide

Note to media: We have not included specific methods of suicide in the press release and ask that journalists avoid listing them to prevent the kind of contagion found in the study.A large study examining media reporting of suicide found significant associations between reporting details and suicide deaths, underscoring the need for responsible reporting. The study, conducted by an international r

3d

 

Mouth Sets Healing Standard

Certain proteins that coordinate the healing response are present at higher levels in oral tissue—meaning wounds in the mouth fix faster. Christopher Intagliata reports. — Read more on ScientificAmerican.com

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Study: Allowing smartphones in class lowers grades–even for students who don’t use them

The study also showed that students who didn’t use electronic devices but attended lectures where their use was allowed also performed worse on tests. Read More

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Should you stay or should you go? See if job hopping will work for you

Job hopping can be a smart career move for many employees, but only if they do it right. Here's how. Read More

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101 clouds of gas: Where do massive stars begin?

Astronomy students sorted through 101 clouds of gas to find those that may be in the first phases of forming massive stars. “There’s still a pretty open question in astronomy when it comes to massive star formation,” says Jenny Calahan, a recent graduate of the University of Arizona. “How do stars weighing more than eight solar masses form from clouds of dust and gas?” Astronomers understand this

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The Milky Way had a sibling but Andromeda ate it

Scientists have deduced that the Andromeda galaxy, our closest large galactic neighbor, shredded and cannibalized a massive galaxy two billion years ago. Even though it was mostly shredded, this massive galaxy left behind a rich trail of evidence: an almost invisible halo of stars larger than the Andromeda galaxy itself, an elusive stream of stars, and a separate enigmatic compact galaxy, M32. Di

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Discovery could lead to drugs for traumatic brain injury

Scientists have identified two molecules that protect nerve cells after a traumatic brain injury and could lead to new drug treatments. The molecules promote full recovery after traumatic brain injury in mice, according to the new study in Neurobiology of Disease . Traumatic brain injury is the leading cause of death for people under 45 years old in the United States and is associated with disabi

3d

 

The Loch Ness Monster: Science, myth, and DNA

Is Nessie real or just a tourism ploy? There might be more to this (in)famous monster than you think… Read More

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The first space nation, Asgardia, is accepting applications for citizenship. But is it a hoax?

Now’s your chance to become part of an exciting new venture. Or to think about it. Maybe just think about it for now. Read More

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What makes a dinosaur a dinosaur

Truth is, dinosaurs aren’t as distinct as you may think, but to find out why, we first have to consider how we got the term “dinosaur.” Read More

3d

 

Paper, plastic, or crab?

Researchers at the Georgia Institute of Technology have developed a compostable material derived from crab shells and tree fibers that might not only be able to replace plastic. Read More

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Why repetition can turn almost anything into music

submitted by /u/burtzev [link] [comments]

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Polar Bear Shot and Killed After Attacking Cruise Ship Guard

The shooting on a Norwegian island drew widespread condemnation on social media, with some questioning killing the bear for “acting like a wild animal.”

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Starwatch: the bright stars of the Summer Triangle

The brightest stars of three constellations form one of the northern hemisphere’s most familiar asterisms One of the most obvious star patterns in the night sky at the moment is not a constellation at all. Instead, the Summer Triangle is made up of the three brightest stars from three constellations: Deneb from Cygnus, Altair from Aquila and Vega from Lyra. In the UK, British astronomer Patrick M

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Thomas Cook drops SeaWorld holidays over animal welfare concerns

British holiday firm Thomas Cook will stop selling trips to animal parks which keep captive killer whales, including SeaWorld in Florida and Loro Parque in Tenerife, their CEO announced Sunday.

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Senate looms as big test for changes to US fishing laws

Fishermen and environmentalists are at odds over a suite of changes to American fishing laws that was approved by the House of Representatives, and the proposal faces a new hurdle in the Senate.

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'Erratic' winds, dry conditions fuel deadly California fires

Around 12,000 firefighters battled Sunday to contain wildfires in California that have killed six people—but authorities warned "erratic" winds and dry conditions have caused the flames to grow and spread.

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Polar Bear Shot And Killed 'In An Act Of Self Defense,' Cruise Ship Company Says

A polar bear is dead after an encounter that left an arctic cruise ship guard injured on the northernmost island of Svalbard archipelago, a region between mainland Norway and the North Pole. (Image credit: Gustav Busch Arntsen/AP)

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The Very Best Book for a New Volcano Lover

Volcanoes: A Beginner's Guide, by Rosaly Lopes — Read more on ScientificAmerican.com

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Geoff Byham obituary

My colleague Geoff Byham, who has died aged 71, will be remembered as the architect of advanced rotor aerodynamics at Westland Helicopters. In 1974, as Westland’s head of aerodynamics research, he led the development of new rotor aerodynamic solutions in partnership with the Royal Aircraft Establishment . This programme would later blossom under his leadership into the British Experimental Rotor

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Michael Cohen's Secret Tapes Top This Week's Internet News

President Trump's ex-lawyer's recording hobby got the Twitter fingers flying on the internet last week.

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Krebsdyr går i opløsning: CO2 sender havet 14 mio. år tilbage i tiden

Stopper vi ikke vores udledning af CO2, opsuger verdenshavene katastrofale mængder af drivhusgassen, viser ny forskning.

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Sådan ser fremtidens fertilitetsbehandling ud

I langt højere grad skal kvinders æg fryses ned og sættes op under kvindens naturlige cyklus, vurderer professor.

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Why Do People Want to Drink the Sarcophagus Water?

This is a snapshot of who we are right at this moment — Read more on ScientificAmerican.com

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The Rise of the Computer-Generated Celebrity

A new breed of digital star is stealing the limelight.

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It's time to clean the grimy filters you've been avoiding

DIY Your appliances will thank you for it. Want to make your appliances work much better? Here's an easy fix: Clean their filters more often.

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Spørg Scientariet: Bygger man Stradivarius-kopier i hånden?

En læser vil gerne vide, om hans Stradivarius-kopi er bygget i hånden eller på fabrik. Amerikansk violinbygger kommer med et svar.

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Shark Birth | Shark Week's The Daily Bite

In the last installment of Shark Sex, we detail what a shark birth looks like. And Yamaneika watches "Naked and Afraid of Sharks". Stream The Daily Bite on Discovery GO: https://www.discovery.com/tv-shows/the-daily-bite/ Stream Shark Week Episodes: https://www.discovery.com/tv-shows/shark-week/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/

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Weird Volcanoes Are Erupting Across the Solar System

Sizzling-hot rocks explode and ooze onto the surfaces of several extraterrestrial worlds.

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How to Pick the Perfect Phone Case

Protect your phone—and your sanity—with this helpful expert guidance.

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It's Global Tiger Day—How Is the Effort to Save Them Going?

Overall, badly. Instead of the 25,000–50,000 that should be living in the wild, we're urged to "celebrate" a miserable 5,000 with annoying frequency — Read more on ScientificAmerican.com

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How Close Are We, Really, to Curing Cancer with CRISPR?

The promise of CRISPR is being realized today in the lab through the creation of special animal models and cell lines. And the technology is finally entering the clinic to treat humans directly.

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When The Weather Is Extreme, Is Climate Change To Blame?

While it's difficult to attribute individual events to climate change, scientists say global warming makes extreme weather more common. (Image credit: Martin Bureau/AFP/Getty Images)

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How Cloudflare Uses Lava Lamps to Guard Against Hackers

Inside Cloudflare's San Francisco office, 100 units of Edward Craven Walker’s groovy hardware help guard the internet.

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Flying Cars, the Real E-Scooter Riders, and More in the Future of Cars

Flying cars sound fun! But flying car regulations do not. The baby Airstream is so tiny and adorable! But that baby Airstream's price tag is not. Plus: more ups and downs in the week's car news.

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Push to Weaken U.S. Endangered Species Act Runs into Roadblocks

Policymakers have tried, unsuccessfully, to change this law for decades — Read more on ScientificAmerican.com

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Conflict reigns over the history and origins of money

Thousands of years ago, money took different forms as a means of debt payment, archaeologists and anthropologists say.

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How an ancient stone money system works like cryptocurrency

Money has ancient and mysterious pedigrees that go way beyond coins.

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When in Nature, Google Lens Does What the Human Brain Can’t

The visual search tool can identify a California poppy or Pacific poison oak with a single photo, bringing you deeper into the nature around you.

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Snart kan mænd (måske) blive gravide og få børn med sig selv

Livmodertransplantationer, kunstig sæd og udskudt overgangsalder. Fremtidens fertilitetsteknologi har potentiale til at vende op og ned på biologien.

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Amazon's facial recognition tool misidentified 28 members of Congress in ACLU test

Amazon's controversial facial recognition program, Rekognition, falsely identified 28 members of Congress during a test of the program by the American Civil Liberties Union, the civil rights group said Thursday.

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Whitney Houston and the Persistent Perils of the Mainstream

In less than a year, moviegoers have been presented with two different Whitney Houston films: Nick Broomfield and Rudi Dolezal’s Whitney: Can I Be Me last fall, and Kevin Macdonald’s Whitney this month. Arriving five years after the music icon’s death in 2012, the former looks at her career and personal life, specifically examining Houston’s anxieties around her own race and sexuality. It was, no

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French luxury giants dive into Silicon Valley

Steve Jobs may have been a tech genius, but he clearly didn't care much for fashion.

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3D-kameraer kan blive regionernes superværktøj mod jordforurening

Interaktive plantegninger og 360 graders video højner kvaliteten af miljøtilsyn og gør regionernes arbejde mere effektivt.

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The Fight for Iowa’s White Working-Class Soul

F or Abby Finkenauer , authenticity is everything. “Sorry we’re late!” she calls out, walking through the front door of her childhood home and into the kitchen, where I sit waiting with her campaign manager. Finkenauer, the 29-year-old candidate for Iowa’s first congressional district, wears a flowy blue blouse, skinny jeans, and pink lipstick. Smoothing her long brown hair, she describes how she

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Into The Void: hyper-real 'Star Wars' VR makes you the hero

Imagine putting on a helmet, lowering the visor and being transported immediately from your humdrum day-to-day existence into your own "Star Wars" adventure.

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Record drought grips Germany's breadbasket

Withered sunflowers, scorched wheat fields, stunted cornstalks—the farmlands of northern Germany have borne the brunt of this year's extreme heat and record-low rainfall, triggering an epochal drought.

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Apple and Amazon lead the pack to $1 trillion market value

For a long time, Apple appeared to be flying solo to a $1 trillion market value, but Amazon is right at its heels—and experts have no fears of a tech bubble.

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Death of Fiat Chrysler chief focuses spotlight on CEO health

Fiat Chrysler's late founding CEO Sergio Marchionne was a notorious workaholic who regularly slept on a corporate jet while landing in the headlines for his shrewd deal-making. Despite his very public profile, he kept a secret even from his board: he'd been seriously ill for more than a year.

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At least 10 dead, 40 hurt as 6.4 quake hits Indonesia island

A shallow, magnitude 6.4 earthquake early Sunday killed at least 10 people and injured 40 on Indonesia's Lombok Island, a popular tourist destination next to Bali, officials said.

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Fem skibe med sensorpakker skal kortlægge plastforurening i havet

Fem norske skibe skal udstyres med sensorer og indsamlingsudstyr, som kan måle mikroplast og tilstanden i havene.

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Our scorched Earth needs voters to put more heat on their politicians | Andrew Rawnsley

Britain won’t be unscathed by global warming. You can’t run from climate change and you can’t hide Over the course of Britain’s sweltering summer, the landlord of the building inhabited by the Observer periodically informs us that our air conditioning is undergoing an “automated controlled shutdown” because the weather has become so hot and humid that the system is at risk of damaging itself. So

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Know thyself… by writing your first novel

Dig deep inside, battle self-doubt and become the person you know you can be. Richard Skinner on the healing powers of writing a novel Writing a novel is a scary prospect. They’re so long and winding, they can seem never-ending. The main obstacle might seem to be starting – the terror of the blank page – but the real stumbling block lies elsewhere. There is no reason in the world why you can’t wr

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The Observer view on Europe’s ban on gene-editing crops | Observer editorial

This absurd ruling restricts highly targeted plant breeding but allows random changes caused by carcinogenic chemicals We live on a planet where human numbers are expected to swell to more than 11 billion by the end of the century. At the same time, global warming is destined to alter our climate dramatically and, in many regions, erode our ability to feed the burgeoning population. Much will dep

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'Hvorfor lykkes det ikke for os?' Anne-Sofie og Michael har prøvet at få børn i to år

Lægerne ved ikke, hvorfor det er så svært for Anne-Sofie og Michael at få børn. Børneværelset står stadig tomt – lidt endnu.

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All you need to know about snakes this summer

Professor Tim Cockerill from the University of South Wales explains where we might encounter snakes in the hot weather

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The 'dumb watch' that helps you check your devices less

It's no small secret that we are addicted to our phones. This so-called 'dumb watch' can help you check it less… and looks great, too. Read More

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