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nyheder2019december14

RIT and IAR observe pulsars for the first time from South America

Rochester Institute of Technology and the Instituto Argentino de Radioastronomía (IAR) have collaborated to make the first pulsar observations from South America.

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These Adorable 3D-Printed Houses Could Solve Homelessness

Ground Breaking In May, housing nonprofit New Story shared a rendering of plans to 3D-print an entire neighborhood. That vision's now coming to life, with the Wednesday unveiling of the first houses in this project, in what'll ultimately become a wholly unique community of 50 homes in Mexico. New Story created the 500-square-foot homes using the Vulcan II, a 3D-printer developed by project partne

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Nurses sleep less before a scheduled shift, hindering patient care and safety

Nurses sleep nearly an hour and a half less before work days compared to days off, which hurts patient care and safety, finds a new study.

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Standard pathology tests outperform molecular subtyping in bladder cancer

While trying to develop a comparatively easy, inexpensive way to give physicians and their patients with bladder cancer a better idea of likely outcome and best treatment options, scientists found that sophisticated new subtyping techniques designed to do this provide no better information than long-standing pathology tests.

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Salmon lose diversity in managed rivers, reducing resilience to environmental change

The manipulation of rivers in California is jeopardizing the resilience of native Chinook salmon. It compresses their migration timing to the point that they crowd their habitats. They may miss the best window for entering the ocean and growing into adults, new research shows.

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Rectal microbes influence effectiveness of HIV vaccine

Microbes living in the rectum could make a difference to the effectiveness of experimental HIV vaccines, according to researchers.

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Fukushima: Lessons learned from an extraordinary case of soil decontamination

Following the accident at the Fukushima nuclear power plant in March 2011, the Japanese authorities decided to carry out major decontamination works in the affected area, which covers more than 9,000 km2. On Dec. 12, 2019, with most of this work having been completed, researchers provided an overview of the decontamination strategies used and their effectiveness.

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Get to know the very charismatic penis fish invading a California beach

View this post on Instagram SHOOK 😳 Thousands of these marine worms—called fat innkeeper worms, or "penis fish"—were found on Drake's Beach last week! These phallic organisms are quite common along the West coast of North America, but they spend their whole lives in U-shaped burrows under the sand, so few beachgoers are aware of their existence. ⛈🌊 A recent storm in Northern California brought

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Richer nations accused of stalling progress on climate crisis

Brazil, India and China singled out in UN talks as acting to block agreement on article 6 of Paris agreement Poor countries have accused a handful of richer nations of holding up progress on tackling the climate crisis at UN talks in Madrid , as demonstrators and activists vented their frustration in the final hours of two weeks of negotiations. The talks, which had been due to end on Friday, dra

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New assay assesses multiple cellular pathways at once

A novel technological approach developed by researchers at Baylor College of Medicine expands from 2 to 6 the number of molecular pathways that can be studied simultaneously in a cell sample with the dual luciferase assay, a type of testing method commonly used across biomedical fields.

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Antarctic video reveals deepest canyon on Earth

Study uncovers landscapes that will influence future ice melt

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Six fun ways to get your kid into coding

Keep your child curious. (DepositPhotos/) This holiday season, give the upstart kid in your life a gift from the future: the ability to code. Unlike toys they'll grow tired of and clothes they'll grow out of, a strong foundation in programming is something that could potentially change a child's life for decades to come. Coding can unlock creativity in new mediums and is an increasingly valuable

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Scientists Spot One of the Most Distant Galaxies Ever: MAMBO-9

Star Light Scientists just observed a new galaxy for the first time, and at 13 billion lightyears away, it's one of the most distant galaxies spotted to date. The galaxy, MAMBO-9, isn't setting any long-distance records. Scientists have found galaxies at similar and even greater distances from us. But MAMBO-9 is nearly as old as the universe, CNN reports , so the new finding could help astronomer

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The Nightmare of Zero Tolerance

"They don't tell you anything. They just take your child and—goodbye." That's how Darlin, a 26-year-old mother from Honduras, describes the experience of being separated from her son at the U.S.-Mexico border, in Isabel Castro's affecting short documentary, Darlin. Seeking asylum due to the life-threatening persecution she faced in her home country, Darlin and 8-year-old Hamilton were detained se

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Warwickshire man uses pension to save 62,000 animals

Geoff Grewcock set up the Nuneaton and Warwickshire Wildlife Sanctuary in his garden 18 years ago.

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Four essentials to ease the stress of travel

Fluff your travel pillow, turn up your Spotify playlist of soothing whale sounds, and, at long last, relax. You're on vacation now. (Omar Prestwich via Unsplash/) If you're planning on spending a good portion of the day (or more) on a plane, a few items can help you finally get some rest on the flight. Here are a few lightweight, compact products we've found help make traveling less stressful. A

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FDA Approves Previously Rejected Muscular Dystrophy Treatment

The drug Vyondys 53 has met a surrogate endpoint of protein production, but there's no clear proof it has a clinical benefit.

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Our Galaxy Might Have — Two! — Black Holes at Its Center

Double Down We already know our galaxy, the Milky Way, as home to Sagittarius A*, a black hole with a mass about 4 million times that of the Sun. But an international team of astrophysicists suspects that Sgr A* might have a smaller companion black hole. Now, they think they've figured out how to determine if they're right. Hidden Friend On Thursday, UCLA astrophysicist Smadar Naoz's had a story

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Frail Older Patients Struggle After Even Minor Operations

These patients are not aware of the true risks, and surgeons aren't telling them, new research suggests.

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Miniature Brains Recently Sent Out Brain Waves for the First Time

The brain organoids, about the size of a pea, can be used to better understand neurological diseases

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Training tools to teach your dog every trick in the book

Lie down. (Matthew Henry/) Picture your impulsive, excitable, energetic dog. Now picture your dog, but he comes when called even in the dog park, has a perfect sit, and can roll-over, play dead, or sit pretty on cue—also, you've taught him to ring a bell when he needs to go out for a bathroom break. It doesn't need to be a total fantasy: a few training tools, time to research training techniques,

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Photos of the Week: Water Forest, Royal Barge, Abandoned Boxers

A caged Nativity scene in California, flamingos in Turkey, the new prime minister of Finland, "big air" in Beijing, a volcanic eruption in New Zealand, Christmas lights in Philadelphia, protests in France and Chile, horse racing in England, and much more

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Meaningful change in culture urged to save neurology, reduce gender gap

UC Davis School of Medicine dean, NINDS deputy director lead national charge to improve conditions for women in neurology.

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Unearthing the mystery of the meaning of Easter Island's Moai

Based on a 5-year excavation of two Moai found within the Easter Island quarry called Rano Raraku, the Easter Island Statue Project released the first definitive study to reveal the quarry as a complex landscape and link soil fertility, agriculture, quarrying and the sacred nature of the Moai. Chemistry testing suggests the soil in the quarry itself was made more fertile by the act of quarrying, w

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Climate talks head into overtime with key issues unresolved

Officials from almost 200 countries hunkered down for another night of talks late Friday as a U.N. climate meeting in Madrid went into overtime without agreement on key issues.

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The wild relatives of major vegetables, needed for climate resilience, are in danger

Growing up in the wild makes plants tough. Wild plants evolve to survive the whims of nature and thrive in difficult conditions, including extreme climate conditions, poor soils, and pests and disease. Their better-known descendants—the domesticated plants that are critical to a healthy diet—are often not nearly as hardy. The genes that make crop wild relatives robust have the potential to make th

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Why are giant pandas born so tiny?

Born pink, blind, and helpless, giant pandas typically weigh about 100 grams at birth—the equivalent of a stick of butter. Their mothers are 900 times more massive than that.

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The wild relatives of major vegetables, needed for climate resilience, are in danger

Growing up in the wild makes plants tough. Wild plants evolve to survive the whims of nature and thrive in difficult conditions, including extreme climate conditions, poor soils, and pests and disease. Their better-known descendants—the domesticated plants that are critical to a healthy diet—are often not nearly as hardy. The genes that make crop wild relatives robust have the potential to make th

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Why are giant pandas born so tiny?

Born pink, blind, and helpless, giant pandas typically weigh about 100 grams at birth—the equivalent of a stick of butter. Their mothers are 900 times more massive than that.

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Better studying superconductivity in single-layer graphene

A new study demonstrates that an existing technique is better suited for probing superconductivity in pure, single-layer graphene than previously thought. The insight could allow physicists to understand more about the widely varied properties of graphene; potentially aiding the development of new technologies.

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Barrels of ancient Antarctic air aim to track history of rare gas

An Antarctic field campaign last winter led by the US and Australia has successfully extracted some of the largest samples of air dating from the 1870s until today. Researchers will use the samples to look for changes in the molecules that scrub the atmosphere of methane and other gases.

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Personal maps may improve deep-brain stim results

New research may explain why the effects of deep-brain stimulation can vary so much—and point the way toward improving the treatment. People with severe Parkinson's disease or other neurological conditions that cause intractable symptoms such as uncontrollable shaking, muscle spasms, seizures, obsessive thoughts, and compulsive behaviors are sometimes treated with electric stimulators placed insi

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22 sustainable gifts for everyone on your list

As you pick out gifts for loved ones, consider these 22 options for making the tradition a bit more sustainable. After all, Americans throw out about 25% more trash between Thanksgiving and New Year's Day than during the rest of the year. That increase that works out to one million extra tons of garbage each week, according to the National Environmental Education Foundation. The 2.6 billion holid

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More teens are overdosing on benzos for anxiety

The number of teens taking and overdosing from benzodiazepines, commonly prescribed anxiety medications, has risen dramatically over the past decade, according to a new study. The researchers found a 54% increase in cases involving children ages 12 to 18 that were reported to US Poison Control Centers from 2000 to 2015. The researchers analyzed 296,838 benzodiazepine exposure cases involving chil

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Lymph vessels on a chip reveal possible new drug target for lymphedema

Approach shows success in mice, but has yet to be tested in people

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Growing carbon nanotubes with the right twist

Researchers synthetize nanotubes with a specific structure expanding previous theories on carbon nanotube growth.

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Paving the way to healing complex trauma

A major study led by researchers at La Trobe University in Australia has identified key themes that will be used to inform strategies to support Aboriginal and Torres Strait Islander parents in the first years of their children's lives.

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Nanoscience breakthrough: Probing particles smaller than a billionth of a meter

Scientists at Tokyo Tech developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and application of minuscule materials in the fields of electronics, biomedicine, chemistry, and more.

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Google's quantum supremacy algorithm has found its first practical use

Google has put the algorithm it used to achieve quantum supremacy to work. It generated verifiably random numbers, which could be used one day in encryption or lotteries

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Researchers reconstruct spoken words as processed in nonhuman primate brains

Using a brain-computer interface, a team of researchers has reconstructed English words from the brain activity of rhesus macaques that listened as the words were spoken.

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Finding a killer electron hot spot in Earth's Van Allen radiation belts

JAXA and NASA satellite observations show where killer electrons are generated in the Van Allen radiation belts surrounding Earth.

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Human teeth used as jewellery in Turkey 8,500 years ago

At a prehistoric archaeological site in Turkey, researchers have discovered two 8,500-year-old human teeth, which had been used as pendants in a necklace or bracelet. Researchers have never documented this practice before in the prehistoric Near East, and the rarity of the find suggests that the human teeth were imbued with profound symbolic meaning for the people who wore them.

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Knowledge-sharing: a how-to guide

How is knowledge exchanged and shared when interdisciplinary research teams work together? Researchers have investigated this by studying several different research projects. Their study makes concrete recommendations for how teams can best work together and achieve effective collaborations.

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Whale fossil bridges gap between foot- and tail-powered swimming

A newly-described fossil whale represents a new species and an important step in the evolution of whale locomotion, researchers report. Scientists recovered the fossilized remains of Aegicetus gehennae in the Egyptian desert in 2007 and dated them to around 35 million years ago. The creature appears to have adapted for swimming through undulation of the mid-body and tail, somewhat as crocodiles s

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US biomedical agency has investigated hundreds claims of inappropriate conduct this year

Nature, Published online: 13 December 2019; doi:10.1038/d41586-019-03835-3 The director of the US National Institutes of Health says the agency will begin revising its policies on harassment next year.

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Growth kinetics of single-walled carbon nanotubes with a (2n, n) chirality selection

The growth kinetics play key roles in determining the chirality distribution of the grown single-walled carbon nanotubes (SWCNTs). However, the lack of comprehensive understandings on the SWCNT's growth mechanism at the atomic scale greatly hinders SWCNT chirality-selective synthesis. Here, we establish a general model, where the dislocation theory is a specific case, to describe the etching agen

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Spin-charge conversion in NiMnSb Heusler alloy films

Half-metallic Heusler alloys are attracting considerable attention because of their unique half-metallic band structures, which exhibit high spin polarization and yield huge magnetoresistance ratios. Besides serving as ferromagnetic electrodes, Heusler alloys also have the potential to host spin-charge conversion. Here, we report on the spin-charge conversion effect in the prototypical Heusler al

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Quantum mechanics of proteins in explicit water: The role of plasmon-like solute-solvent interactions

Quantum-mechanical van der Waals dispersion interactions play an essential role in intraprotein and protein-water interactions—the two main factors affecting the structure and dynamics of proteins in water. Typically, these interactions are only treated phenomenologically, via pairwise potential terms in classical force fields. Here, we use an explicit quantum-mechanical approach of density-funct

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Direct imaging of short-range order and its impact on deformation in Ti-6Al

Chemical short-range order (SRO) within a nominally single-phase solid solution is known to affect the mechanical properties of alloys. While SRO has been indirectly related to deformation, direct observation of the SRO domain structure, and its effects on deformation mechanisms at the nanoscale, has remained elusive. Here, we report the direct observation of SRO in relation to deformation using

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High-contrast and reversible polymer thermal regulator by structural phase transition

In comparison with the advancement of switchable, nonlinear, and active components in electronics, solid-state thermal components for actively controlling heat flow have been extremely rare. We demonstrate a high-contrast and reversible polymer thermal regulator based on the structural phase transition in crystalline polyethylene nanofibers. This structural phase transition represents a dramatic

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Ordered colloidal clusters constructed by nanocrystals with valence for efficient CO2 photoreduction

The ability to construct discrete colloidal clusters (CCs) as complex as molecular clusters is limited due to the lack of available colloidal building blocks and specific directional bonds. Here, we explore a strategy to organize anisotropic Prussian blue analog nanocrystals (NCs) toward CCs with open and highly ordered structures, experimentally realizing colloidal analogs to zeolitic clathrate

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Ultrahigh sensitive Raman spectroscopy for subnanoscience: Direct observation of tin oxide clusters

Subnanometric metal clusters exhibit anomalous catalytic activity, suggesting innovative applications as next-generation materials, although identifying and characterizing these subnanomaterials in atomic detail remains a substantial challenge because of the severely weak signal intensity for the conventional analytical methods. Here, we report a subnanosensitive vibrational technique established

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Miniaturized, light-adaptive, wireless dosimeters autonomously monitor exposure to electromagnetic radiation

Exposure to electromagnetic radiation (EMR) from the sun and from artificial lighting systems represents a modifiable risk factor for a broad range of health conditions including skin cancer, skin aging, sleep and mood disorders, and retinal damage. Technologies for personalized EMR dosimetry could guide lifestyles toward behaviors that ensure healthy levels of exposure. Here, we report a millime

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Flexible submental sensor patch with remote monitoring controls for management of oropharyngeal swallowing disorders

Successful rehabilitation of oropharyngeal swallowing disorders (i.e., dysphagia) requires frequent performance of head/neck exercises that primarily rely on expensive biofeedback devices, often only available in large medical centers. This directly affects treatment compliance and outcomes, and highlights the need to develop a portable and inexpensive remote monitoring system for the telerehabil

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Full voltage manipulation of the resistance of a magnetic tunnel junction

One of the motivations for multiferroics research is to find an energy-efficient solution to spintronic applications, such as the solely electrical control of magnetic tunnel junctions. Here, we integrate spintronics and multiferroics by depositing MgO-based magnetic tunnel junctions on ferroelectric substrate. We fabricate two pairs of electrodes on the ferroelectric substrate to generate locali

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Topology-dependent anomalous dynamics of ring and linear DNA are sensitive to cytoskeleton crosslinking

Cytoskeletal crowding plays a key role in the diffusion of DNA molecules through the cell, acting as a barrier to effective intracellular transport and conformational stability required for processes such as transfection, viral infection, and gene therapy. Here, we elucidate the transport properties and conformational dynamics of linear and ring DNA molecules diffusing through entangled and cross

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NASA Chooses Asteroid Landing Zone for OSIRIS-REx Probe

NASA's OSIRIS-REx space probe reached the asteroid Bennu just over a year ago, and now the agency has decided where it will descend to pick up a sample from the space rock. The site, known as Nightingale , is a gravel-strewn pit near the asteroid's north pole. It'll be a delicate operation to collect samples from Bennu and return them to Earth, but we could learn a great deal from the pristine ma

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Eco-friendly phone cases for your next mobile upgrade

Responsible protection for your phone. (Amazon/) Demand for the latest tech contributes to vast amounts of electronic waste and discarded cell phones are the biggest culprit. While the pickings are still slim for eco-friendly smartphones, you can do your part to cut back on waste by (1) making sure you have a durable case to keep your device from falling and breaking and (2) opting for more consc

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The week in wildlife – in pictures

The pick of the best flora and fauna photos from around the world, from an illuminated giraffe to an elusive southern elephant seal Continue reading…

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Nanoscience breakthrough: Probing particles smaller than a billionth of a meter

Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and application of minuscule materials in the fields of electronics, biomedicine, chemistry, and more.

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Synthetic nanopores made from DNA

A scientific collaboration has resulted in the construction of a synthetic DNA nanopore capable of selectively translocating protein-size macromolecules across lipid bilayers.

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Bone bandage soaks up pro-healing biochemical to accelerate repair

Researchers have engineered a patch or bandage that captures a pro-healing molecule called adenosine that briefly surges at the site of a bone break or fracture to accelerate and improve the natural healing process. In a proof-of-principle study with mice, the bandage helped to accelerate callus formation and vascularization to achieve better bone repair by three weeks.

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Report: Facial Recognition Should Be Banned From Everyday Life

Hold Off The artificial intelligence group AI Now released its annual report on the state of the field and — more importantly — how the technology is being used in society. The report came with a grim warning, MIT Technology Review reports . It argues that because AI tools like facial recognition, and especially emotion-detecting algorithms, can be highly inaccurate — and propagate systematic rac

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Why are giant pandas born so tiny?

Born pink, blind, and helpless, giant pandas typically weigh about 100 grams at birth — the equivalent of a stick of butter. Their mothers are 900 times more massive than that. That raises a question that has vexed biologists: why the disparity? No one knows the answer, but by comparing bone growth across newborn bears, dogs and other animals, scientists find that one idea doesn't hold up.

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Nature's Best Poetry of 2019: Clouds

Every day, members of the Cloud Appreciation Society post photos of the sky from around the world. This is why they stop to look up.

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Perinatal exposure to flame retardant alters epigenome, predisposing metabolic disease

A new study showed that environmentally relevant exposure to polybrominated diphenyl ether (PBDE), a brominated flame retardant, through the umbilical cord and breast milk permanently changed liver metabolism in rats.

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New study enhances knowledge about widespread diseases

When proteins in the brain form deposits consisting of insoluble aggregates, diseases such as Alzheimer's or Parkinson's can occur. Now a research team has come a step closer to understanding this process.

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Synthetic nanopores made from DNA

A scientific collaboration has resulted in the construction of a synthetic DNA nanopore capable of selectively translocating protein-size macromolecules across lipid bilayers.

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Moongoose females compete over reproduction

A new study on wild banded mongooses reveals that females may use spontaneous abortion to cope with reproductive competition, and to save their energy for future breeding attempts in better conditions.

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Study probing visual memory, amblyopia unveils many-layered mystery

Scientists pinpionted the role of a receptor in the plasticity underlying the degradation of vision in the common childhood condition amblyopia, but expected that receptor would play a bigger role in layer 4 of the visual cortex.

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Bone bandage soaks up pro-healing biochemical to accelerate repair

Researchers have engineered a patch or bandage that captures a pro-healing molecule called adenosine that briefly surges at the site of a bone break or fracture to accelerate and improve the natural healing process. In a proof-of-principle study with mice, the bandage helped to accelerate callus formation and vascularization to achieve better bone repair by three weeks.

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Russia Is Working on Its Own Plan to Blow up Killer Asteroids

Space Rocks Russian space agency Roscosmos is creating a center devoted to monitoring meteors, comets, and asteroids to ensure they don't collide with Earth — even it means having to blow them up in space. "As part of the creation of a monitoring system and information support for the safety of space activities in near-Earth space, we plan to launch the Russian Center for Small Celestial Bodies,

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Breast-conserving treatment without surgery not supported at this time

Results from NRG Oncology's BR005 study show that breast-conserving treatment without surgery cannot be recommended, based on the study criteria of clinical complete response, radiological complete response (rCR)/near rCR, and negative tumor bed biopsies.

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New fine $125 for parking fossil fuel vehicle in electric car spot

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

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The Next Nuclear Plants Will Be Small, Svelte, and Safer

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

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Leaving home is beneficial for male squirrels but not for females, study shows

In the world of squirrels, moving away from your home turf has better outcomes for males than for females, according to a new study by University of Alberta ecologists.

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Leaving home is beneficial for male squirrels but not for females, study shows

In the world of squirrels, moving away from your home turf has better outcomes for males than for females, according to a new study by University of Alberta ecologists.

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Waiting area entertainment and co-opetition between brick-and-mortar stores boosts profit

With the popularity of online shopping, it's no secret brick-and-mortar stores are fighting to stay relevant. Waiting area entertainment is one way they are standing out, because no one likes to wait. New research in the INFORMS journal Manufacturing & Service Operations Management says funding entertainment is no easy task, but one way to offset the price and increase customer experience and reve

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Study leads to new approach to trapping light in photonic kagome crystals

A new approach to trapping light in artificial photonic materials by a City College of New York-led team could lead to a tremendous boost in the transfer speed of data online.

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NIH director pledges to move quickly on recommendations to stop sexual harassment

Advisory group calls for wide-ranging changes to policies for labs receiving NIH grants that would parallel process for research misconduct

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A Major but Little-Known Supporter of Climate Denial: Freight Railroads

In the fight against climate change, the nation's freight railroads have painted themselves as heroes. Rail is the "the most environmentally friendly way" to move cargo over land, says the Association of American Railroads, the industry's trade group. The industry's four biggest companies agree: "Railroads are essential to moving [climate] objectives forward," says CSX Transportation, the largest

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Klimamødet COP25 i dødvande før opløbet

Fronterne er trukket skarpt op mellem ilande og ulande i Madrid. Men Danmark kan sole sig over ny klimalov.

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A Startup Wants to Turn Your Car's Windshield Into a Giant Screen

Big Screen Today, many vehicles come equipped with a heads-up display that projects useful information , such as a car's speed or driving directions, right onto the windshield so that the driver doesn't need to take their eyes off the road. But while those systems require just a small part of a windshield, Beijing-based company Futurus has built a heads-up display that transforms the entire thing

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Research calls for new measures to treat mental illness and opioid use

Opioid use among psychiatric hospital patients needs to be addressed through an integrated approach to managing mental illness, pain and substance use, a study by researchers at the University of Waterloo has found.

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Taking shape: Scientists propose new structure for shell of HIV-1 virus

The matrix shell of the HIV-1 virus may have a different shape than previously thought, and a newly proposed model has significant implications for understanding how the virus functions, according to a new study by University of Alberta scientists.

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Does High Blood Pressure Raise Your Risk of Alzheimer's Disease?

Studies have begun to link high blood pressure to Alzheimer's symptoms, though more research is needed.

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Fancy skincare gifts that are worth the splurge

You only have about eight pounds of skin. Treasure it. (DepositPhotos/) Skin is our largest organ and the only thing separating our fragile insides from the cruel expanse of nature, but some folks are way more serious about pampering it than others. Here are a few of the most luxurious skincare gadgets and potions we've tried that actually do what they're supposed to—so you can avoid buying jade

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The wild relatives of major vegetables, needed for climate resilience, are in danger

The genes that make crop wild relatives robust have the potential to make their cultivated cousins — our food plants — better prepared for a harsh climate future. But a series of new research papers show these critical plants are imperiled.

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How a protein in your brain could protect against Alzheimer's disease

Research shows that white blood cells in the human brain are regulated by a protein called CD33–a finding with important implications in the fight against Alzheimer's disease, according to a new study by University of Alberta chemists.

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Leaving home is beneficial for male squirrels but not for females, study shows

In the world of squirrels, moving away from your home turf has better outcomes for males than for females, according to a new study by University of Alberta ecologists.

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City College leads new photonics breakthrough

A new approach to trapping light in artificial photonic materials by a City College of New York-led team could lead to a tremendous boost in the transfer speed of data online.

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Impeachment's Inevitability Problem

For all the drama of impeachment, there really isn't much suspense. That reality was laid bare shortly after 10 this morning, as one by one, 40 members of the House Judiciary Committee solemnly delivered their judgment on the charges against President Donald Trump. All 23 Democrats on the panel voted to recommend articles accusing the president of abuse of power and obstruction of Congress, sendi

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The Next Big Customer Experience From Jeff Bezos

If a Jeff Bezos company is in the headlines this time of year, it's usually Amazon and its exhausting—even dangerous —rush to prepare hundreds of thousands of packages a day. But Bezos would probably prefer you read about a different company of his, the one that is doing, as he has put it , his "most important work": Blue Origin, his space venture. Blue Origin this week launched a rocket to the e

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Bloodhound car has 800mph target in its sights for 2021

Test data indicates a land speed record should be achievable, says the project's chief engineer.

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Measuring Nucleic Acid Sample Quality with Spectrophotometry

Download this eBook to learn how to use Thermo Scientific™ NanoDrop™ One spectrophotometers with Thermo Scientific™ Acclaro™ sample intelligence technology to quickly and accurately determine the quantity and quality of your nucleic acid samples!

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Daily briefing: The seven books we need now

Nature, Published online: 13 December 2019; doi:10.1038/d41586-019-03871-z Experts recommend classic books for our time, rude peer reviews are disturbingly common and an update from the surface of Mars.

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Turn your phone into a PC with Samsung DeX

Some phones want to be tablets, but the newer Samsung Galaxy devices dream big: they want to be laptops. (Mark Chan via Unsplash/) If you own one of the higher-end Samsung Galaxy phones or tablets, you've also got access to Samsung DeX. This feature essentially lets you use your phone to drive a second, larger display, and since it also works with a keyboard and mouse, you'll get a PC-like experi

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35 Cows Live on a Floating Dairy Farm Staffed by Robots

Milkworld Off the coast of Rotterdam, Netherlands, a bizarre floating farm is providing locals with a fresh supply of milk. The farm-boat-combo, created by an aptly-named company called Floating Farm, has been selling the milk of its 35 seafaring cows since May, CBC News reports . The mostly-automated operation is an undeniably weird bid to help make cities more self-sustaining — especially in th

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As California thins forests to limit fire risk, some resist

Buzzing chainsaws are interrupted by the frequent crash of breaking branches as crews fell towering trees and clear tangled brush in the densely forested Santa Cruz Mountains south of San Francisco.

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Waiting area entertainment and co-opetition between brick-and-mortar stores boosts profit

With the popularity of online shopping, it's no secret brick-and-mortar stores are fighting to stay relevant. Waiting area entertainment is one way they are standing out, because no one likes to wait. New research in the INFORMS journal Manufacturing & Service Operations Management says funding entertainment is no easy task, but one way to offset the price and increase customer experience and reve

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New methods could help researchers watch neurons compute

A pair of advances in brain imaging technology will help neuroscientists track electrical activity in neurons with a new level of clarity.

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A self-cleaning surface that repels even the deadliest superbugs

A team of researchers at McMaster University has developed a self-cleaning surface that can repel all forms of bacteria, preventing the transfer of antibiotic-resistant superbugs and other dangerous bacteria in settings ranging from hospitals to kitchens.

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How Labour Lost the Culture War

Y esterday's general election in the United Kingdom was a triumph for Brexit and Prime Minister Boris Johnson—and an unmitigated disaster for the Labour Party and its far-left leader, Jeremy Corbyn. On paper, the conditions were ripe for a Labour victory. The Conservative Party has been in power for nine years. Johnson is controversial; according to most polls, his popularity ratings are signific

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Why the singular "They" is Merriam-Webster's word of the year

Merriam-Webster has announced "they" as the word of the year. The selection was based on a marked increase in traffic to the online dictionary page. Runners up included "quid pro quo" and "crawdad." You've heard of the Person of the Year, but did you know that Merriam-Webster announces a word of the year? Each year, they select a word notable for having been subject to a spike in online definitio

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People willing to risk near-certain death for an HIV cure

; protecting individuals and families in genetic and psychiatric research, considerations for including pregnant women in research.

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Breakthrough in Zika virus vaccine

Researchers have made significant advances in developing a novel vaccine against Zika virus, which could potentially lead to global elimination of the disease.

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Colliding molecules and antiparticles

Antiparticles—subatomic particles that have exactly opposite properties to those that make up everyday matter—may seem like a concept out of science fiction, but they are real, and the study of matter-antimatter interactions has important medical and technological applications. Marcos Barp and Felipe Arretche from the Universidade Federal de Santa Catarina, Brazil have modelled the interaction bet

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Newfound Martian aurora actually the most common; sheds light on Mars' changing climate

A type of Martian aurora first identified by NASA's MAVEN spacecraft in 2016 is actually the most common form of aurora occurring on the Red Planet, according to new results from the mission. The aurora is known as a proton aurora and can help scientists track water loss from Mars' atmosphere.

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Better studying superconductivity in single-layer graphene

Made up of 2-D sheets of carbon atoms arranged in honeycomb lattices, graphene has been intensively studied in recent years. As well as the material's diverse structural properties, physicists have paid particular attention to the intriguing dynamics of the charge carriers its many variants can contain. The mathematical techniques used to study these physical processes have proved useful so far, b

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The FAA Knew the 737 MAX Was Dangerous and Kept It Flying Anyway

Boeing 737-MAX9 Artwork K65780. Credit: Boeing One of the major questions in the wake of the 737 MAX's two crashes was how much the FAA and Boeing knew about potential problems with the aircraft. Months of investigation into the 737 MAX have painted an ugly story of how Boeing outsourced critical production in a bid to cut costs. The long-term decline of the company's engineering culture has been

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Bone bandage soaks up pro-healing biochemical to accelerate repair

Researchers at Duke University have engineered a bandage that captures and holds a pro-healing molecule at the site of a bone break to accelerate and improve the natural healing process.

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Octopus and eagle square off at Canadian fish farm

The duelling animals were found floating in the waters off Quatsino, British Columbia.

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Salmon lose diversity in managed rivers, reducing resilience to environmental change

The manipulation of rivers in California is jeopardizing the resilience of native Chinook salmon. It compresses their migration timing to the point that they crowd their habitats. They may miss the best window for entering the ocean and growing into adults, new research shows.

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Bone bandage soaks up pro-healing biochemical to accelerate repair

Researchers at Duke University have engineered a bandage that captures and holds a pro-healing molecule at the site of a bone break to accelerate and improve the natural healing process.

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Researchers create synthetic nanopores made from DNA

In 2015, the first commercial nanopore DNA sequencing device was introduced by Oxford Nanopore Technologies. Based on a synthetically engineered transmembrane protein, nanopore sequencing allows long DNA strands to be channelled through the central lumen of the pore where changes in the ionic current work as a sensor of the individual bases in the DNA. This technique was a key milestone for DNA se

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Salmon lose diversity in managed rivers, reducing resilience to environmental change

The manipulation of rivers in California is jeopardizing the resilience of native Chinook salmon. It compresses their migration timing to the point that they crowd their habitats. They may miss the best window for entering the ocean and growing into adults, new research shows.

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Knowledge-sharing: A how-to guide

How is knowledge exchanged and shared when interdisciplinary research teams work together? Professor Margarete Boos and Lianghao Dai from the University of Göttingen have investigated this by studying several different research projects. Their study makes concrete recommendations for how teams can best work together and achieve effective collaborations. The results have been published in the journ

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Simultaneous emission of orthogonal handedness in circular polarization

Control of the polarization of light is a key feature for displays, optical data storage, optical quantum information, and chirality sensing. In particular, the direct emission of circularly polarized (CP) light has attracted great interest because of the enhanced performance of displays such as organic light-emitting diodes (OLEDs) and light sources for characterizing the secondary structure of p

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Freestanding microwire-array enables flexible solar window

TSCs are emerging devices that combine the advantages of visible transparency and light-to-electricity conversion. One of the valuable prospective applications of such devices is their integration into buildings, vehicles, or portable electronics. Therefore, colour-perception and flexibility are important as well as efficiency. Currently, existing transparent solar cells are based predominantly on

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What's a solid-state drive and which one should I buy?

Portable, reliable storage. (Amazon/) Solid-state drives (SSDs) and hard disk drives (HHDs) both store data, but SSDs use semiconductor chips rather than a series of magnetic disks. The lack of moving parts can make SSDs more resistant to drops––though we still don't recommend it. The technology is most commonly used in back-up and external storage, but manufacturers including Apple and Dell are

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The Books Briefing: What Makes Falsehoods Captivating

Fyre Fest , Theranos , catfishing , cons , fake-news claims both false and legitimate : The 2010s have been a decade of seemingly unprecedented uncertainty about what's real. Books by Lee McIntyre and Farhad Manjoo describe the rise of what Manjoo calls "a post-fact society," in which the internet plays a particularly catalyzing role. But while modern technology may have fostered the spread of mi

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The Scientist's 2019 Gift Guide

Wishing you a sciency season's greetings!

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A self-cleaning surface that repels even the deadliest superbugs

A team of researchers at McMaster University has developed a self-cleaning surface that can repel all forms of bacteria, preventing the transfer of antibiotic-resistant superbugs and other dangerous bacteria in settings ranging from hospitals to kitchens.

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Colliding molecules and antiparticles

A study by Marcos Barp and Felipe Arretche from Brazil published in EPJ D shows a model of the interaction between positrons and simple molecules that is in good agreement with experimental results.

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Better studying superconductivity in single-layer graphene

A new study published in EPJ B demonstrates that an existing technique is better suited for probing superconductivity in pure, single-layer graphene than previously thought. The insight could allow physicists to understand more about the widely varied properties of graphene; potentially aiding the development of new technologies.

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Spacecraft spots asteroid debris responsible for spectacular meteor shower

The 20-million-kilometer-long trail of dust is coming from a space rock known as Phaethon

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Many Americans overlook war crimes if the war is 'just'

Almost half of the American public believes that soldiers who have killed innocent people should not face prison if they are fighting for a just cause, according to new research. For a new study, researchers examined Americans' attitudes toward the ethical and legal responsibilities of soldiers in an armed conflict between two hypothetical countries. The findings show that Americans believe that

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Kathys hjem risikerer at forsvinde i havet

Kun et land har indtil videre afleveret mere ambitiøse klimamål til FN.

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Public health crisis: Facebook ads misinform about HIV prevention drug

Facebook and Instagram users have been inundated with misleading ads about medication that prevents the transmission of HIV (PrEP), such as Truvada. Over the years, Facebook's hands-off ad policy has faced scrutiny when it comes to false or ambiguous information in its political ads. Unregulated "surveillance capitalism" commodifies people's personal information and makes them vulnerable to somet

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A test of a customized implant for hip replacement

A team of scientists from the Advanced Manufacturing Technologies Center of the National Technology Initiative (NTI) of Peter the Great St. Petersburg Polytechnic University (SPbPU) developed a mathematical model of an 'endoprosthesis-skeleton' system. Special attention was paid to the geometry and internal structure of hip bones.

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Entrectinib effective, well-tolerated against ROS1 and NTRK lung cancers, especially with brain metastases

Pooled analysis of three phase 1 and 2 clinical trials show that the drug entrectinib is effective and well-tolerated against advanced ROS1 and NTRK fusion-positive non-small cell lung cancers (NSCLC).

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Standard pathology tests outperform molecular subtyping in bladder cancer

While trying to develop a comparatively easy, inexpensive way to give physicians and their patients with bladder cancer a better idea of likely outcome and best treatment options, scientists found that sophisticated new subtyping techniques designed to do this provide no better information than long-standing pathology tests.

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What institutions can do to improve science communication

Nature, Published online: 13 December 2019; doi:10.1038/d41586-019-03869-7 Many scientific organizations struggle with teaching and incentivizing science-communication practices. Here's what they can do differently, says communication researcher Jessica Eise.

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Countertop convection ovens that will complete your kitchen

More ways to cook in one appliance. (Amazon/) Countertop convection ovens are more energy-efficient than full-size ovens and cook food more evenly in a fraction of the time. That's because these appliances use a series of fans to constantly circulate hot air around food, rather than cooking it in a stagnant heat. The capacity and special features vary, but in general, countertop convection ovens

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Discover's Science Images of the Year 2019

The first-ever image of a black hole, face-to-face with an ancient ancestor and more.

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Tesla: Cybertrucks Could Weigh Up To 10,000 Pounds

Medium Duty In a filing with the California Air Resources Board (CARB), Tesla revealed that its upcoming Cybertruck is expected to "have a towing capacity of 7,500-14,000+ lbs., and it should very likely qualify as a 'Class 2B-3' medium-duty vehicle," Electrek reports . Class 2B medium-duty vehicles are rated to weigh anywhere between 8,500 to 10,000 pounds, suggesting the Cybertruck is going to

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Elsevier deal with France disappoints open-access advocates

Agreement allows yearlong delay before papers become free to read

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Robots, hominins and superconductors: 10 remarkable papers from 2019

Nature, Published online: 13 December 2019; doi:10.1038/d41586-019-03834-4 Highlights from News & Views published this year.

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Hyperauthorship: global projects spark surge in thousand-author papers

Nature, Published online: 13 December 2019; doi:10.1038/d41586-019-03862-0 The mass-authorship trend that began in particle physics is spreading to other fields.

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Why linking climate change with conflict is no simple matter

From Sudan to Syria to Bangladesh, climate change is often presented as a powerful and simple root cause of violent conflict and mass migration.

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Senate Confirms Stephen Hahn as FDA Commissioner

Hahn, who has no previous political experience, will be in charge of regulating e-cigarettes, drug pricing and more — Read more on ScientificAmerican.com

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A Researcher Grew 97 Kinds of Broccoli and Sequenced Their DNA

Mad Scientist A person claiming to be a Cornell plant scientist, absolutely mad with power, grew 97 different breeds of broccoli and sequenced all of their genomes. The verdict: all 97 varieties were delicious, according to the researcher's post on Reddit . The new genetic database hasn't yet been published in an academic journal — apparently there's more work to be done before it's ready for sub

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Tracking titin in real time

Using new high-resolution imaging techniques, MDC researchers and colleagues have tracked titin, the body's largest protein, in real time throughout its entire lifecycle. The method and results could provide new insight into muscle development as well as treating damaged muscles and heart disease.

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Mongoose females compete over reproduction

A new study on wild banded mongooses reveals that females may use spontaneous abortion to cope with reproductive competition, and to save their energy for future breeding attempts in better conditions.

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Salmonella the most common cause of foodborne outbreaks in the European Union

Nearly one in three foodborne outbreaks in the EU in 2018 were caused by Salmonella. This is one of the main findings of the annual report on trends and sources of zoonoses published by the European Food Safety Authority (EFSA) and the European Centre for Disease Prevention and Control (ECDC). West Nile virus and STEC infections were reported at unusually high levels.

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Study probing visual memory, amblyopia unveils many-layered mystery

Scientists pinpionted the role of a receptor in the plasticity underlying the degradation of vision in the common childhood condition amblyopia, but expected that receptor would play a bigger role in layer 4 of the visual cortex.

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Bone bandage soaks up pro-healing biochemical to accelerate repair

Researchers at Duke University have engineered a patch or bandage that captures a pro-healing molecule called adenosine that briefly surges at the site of a bone break or fracture to accelerate and improve the natural healing process. In a proof-of-principle study with mice, the bandage helped to accelerate callus formation and vascularization to achieve better bone repair by three weeks.

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Multi-omics approach offers new insights into peanut allergy severity

Researchers at the Icahn School of Medicine at Mount Sinai have identified novel genes associated with the severity of peanut allergy, as well as ways in which these genes interact with other genes during allergic reactions. The findings, published December 12 in the Journal of Allergy and Clinical Immunology, could lead to better treatments for peanut allergy.

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Historical look at US army suicides

Nearly 200 years of military records from 1819 to 2017 were used to examine suicide rates among active-duty personnel in the US Army in this observational study.

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Emergency department study reveals patterns of patients at increased risk for suicide

A new NIMH-funded study has found that people who presented to California emergency departments with deliberate self-harm had a suicide rate in the year after their visit 56.8 times higher than demographically similar Californians. People who presented with suicidal ideation had suicide rates 31.4 times higher than demographically similar Californians in the year after discharge. The findings rein

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Global Warming May Deprive Polar Bears of Safe Places to Give Birth

Study suggests that if climate change continues unabated, there soon won't be enough snow in northern Alaska for polar bears to dig birthing dens. Polar-Bear-Den.jpg Image credits: Sergey Uryadnikov/Shutterstock Creature Friday, December 13, 2019 – 11:00 Nala Rogers, Staff Writer (Inside Science) — Polar bears are born into the Arctic winter blind, hairless, and no bigger than a guinea pig. For

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You did what with my donation? When donors feel betrayed by charities

When people learn that a charitable contribution they earmarked for a specific project was used for another cause, they feel betrayed—and often punish the charity, new research from Washington State University indicates.

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Airbus to test flying planes closer together to cut carbon emissions

Plane manufacturer Airbus is working with airlines to test a fuel-reduction scheme inspired by the v-formation used by geese

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Politikere kræver svar: Sundhedsministeren kaldes i nyt samråd om effektviseringskrav

Sundhedsminister Magnus Heunicke (S) kaldes igen i samråd efter hans ministerium har givet forkerte oplysninger om effektiviseringskrav. Flere partier melder sig klar til at revurdere kravene, der har allerede har haft store konsekvenser for universitetshospitalet i Aarhus.

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An AI conference once known for blowout parties is finally growing up

At the most prominent AI research gathering of the year, invited speakers and attendees are grappling with how to make technology that better serves the world.

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Breathable atmospheres may be more common in the universe than we first thought

The existence of habitable alien worlds has been a mainstay of popular culture for more than a century. In the 19th century, astronomers believed that Martians might be using canal-based transport links to traverse the red planet. Now, despite living in an age when scientists can study planets light years from our own solar system, most new research continues to diminish the chances of finding oth

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Meteorite-eating microbes could help us look for alien life

One organism's space rock is another organism's nosh. (NASA/JPL-Caltech/) What might alien life look like, and what traces would it leave behind? If extraterrestrial plant and plankton analogs fill their planet's atmosphere with oxygen, or an advanced civilization fills its skies with satellites , we might be able to spot such global upheavals from Earth. But if life elsewhere is small and limite

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Paradox-Free Time Travel Possible With Many Parallel Universes

If you were to travel back in time to kill your grandparents — let's ignore the 'why' here, for the sake of argument — you would never have been born. Which means there was nobody to kill your grandparents. Which means you were actually born after all, which… hold up, what's going on here?! These kinds of brain-breaking paradoxes have been puzzling us forever, inspiring stories ranging from "Back

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Researchers create synthetic nanopores made from DNA

A scientific collaboration led by researchers at iNANO/Department of Molecular Biology and Genetics at Aarhus University and the Department of Chemistry at the University of Copenhagen has resulted in the construction of a synthetic DNA nanopore capable of selectively translocating protein-size macromolecules across lipid bilayers.

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Rapid tissue donation program offers feasible approach to improve research

In an article published in Cancer Medicine, Moffitt Cancer Center scientists describe a community-based program called the Rapid Tissue Donation (RTD) protocol. It enables patients to consent to donating tumor tissue and blood samples for research purposes after their death.

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New study enhances knowledge about widespread diseases

When proteins in the brain form deposits consisting of insoluble aggregates, diseases such as Alzheimer's or Parkinson's can occur. Now a research team has come a step closer to understanding this process.

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Researchers reconstruct spoken words as processed in nonhuman primate brains

Using a brain-computer interface, a team of researchers has reconstructed English words from the brain activity of rhesus macaques that listened as the words were spoken.

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Amid the wasteland of the Salton Sea, a miraculous but challenging oasis is born

It came as a bittersweet surprise to biologists and government agencies monitoring the steadily shrinking Salton Sea's slide toward death by choking dust storms and salt.

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Rare find: Human teeth used as jewellery in Turkey 8,500 years ago

At a prehistoric archaeological site in Turkey, researchers have discovered two 8,500-year-old human teeth, which had been used as pendants in a necklace or bracelet. Researchers have never documented this practice before in the prehistoric Near East, and the rarity of the find suggests that the human teeth were imbued with profound symbolic meaning for the people who wore them.

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Moongoose females compete over reproduction

Researchers at the University of Exeter, UK, followed a population of wild banded mongooses (Mungos mungo) in western Uganda for 15 years, using ultrasound imaging to track which females became pregnant and which carried to full term. They discovered that there were more abortions during the dry season when food was scarce, and also when more females were competing over reproduction in the same gr

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3-D scanning of sandstone fossil reveals oldest known record of amphibian tracks in the UK

A new paper has revealed an ancient trackway, found imprinted on a block of sandstone from the base of Hardraw Force Waterfall in Wensleydale, North Yorkshire, is the oldest record of amphibian tracks in the UK dating back 340 million years.

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Microplastics 1 million times more abundant in the ocean than previously thought

Nothing seems safe from plastic contamination. A new study by NSF-funded researchers at the Scripps Institution of Oceanography suggests there could be a million times more pieces of plastic in the ocean than previously estimated.

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Video: OPS-SAT, the flying laboratory

On 17 December, ESA will launch a first-of-its-kind space laboratory, OPS-SAT. The small, low-cost test satellite has been specifically designed for operational experiments in space, and includes the most powerful flight computer on board any current ESA spacecraft.

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Protein injections in medicine

Pathogens can use a range of toxins to damage their host organism. Bacteria, such as those responsible for causing the deadly Plague, use a special injection mechanism to deliver their poisonous contents into the host cell. Stefan Raunser, Director at the Max Planck Institute for Molecular Physiology in Dortmund, together with his team, has already produced a detailed analysis of this toxin's soph

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Image: Baltic blooms

The Copernicus Sentinel-2 mission takes us over the green algae blooms swirling around the Baltic Sea.

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CryoSat maps ice shelf on the move

It is now almost 10 years since ESA's CryoSat was launched. Throughout its decade in orbit, this novel satellite, which carries a radar altimeter to measure changes in the height of the world's ice, has returned a wealth of information about how ice sheets, sea ice and glaciers are responding to climate change. One of the most recent findings from this extraordinary mission shows how it can be use

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Why lakes and rivers should have the same rights as humans | Kelsey Leonard

Water is essential to life. Yet in the eyes of the law, it remains largely unprotected — leaving many communities without access to safe drinking water, says legal scholar Kelsey Leonard. In this powerful talk, she shows why granting lakes and rivers legal "personhood" — giving them the same legal rights as humans — is the first step to protecting our bodies of water and fundamentally transform

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Maps That Peer Below Antarctic Ice Show Precarious Position of Key Glacier

The bedrock below Thwaites and other glaciers is conducive to runaway melting that would dramatically raise sea levels — Read more on ScientificAmerican.com

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Florida's black bears remain off-limits from hunters, but only for now

The Florida black bear will remain off-limits from hunters, but only for now.

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Moongoose females compete over reproduction

Researchers at the University of Exeter, UK, followed a population of wild banded mongooses (Mungos mungo) in western Uganda for 15 years, using ultrasound imaging to track which females became pregnant and which carried to full term. They discovered that there were more abortions during the dry season when food was scarce, and also when more females were competing over reproduction in the same gr

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Protein injections in medicine

Pathogens can use a range of toxins to damage their host organism. Bacteria, such as those responsible for causing the deadly Plague, use a special injection mechanism to deliver their poisonous contents into the host cell. Stefan Raunser, Director at the Max Planck Institute for Molecular Physiology in Dortmund, together with his team, has already produced a detailed analysis of this toxin's soph

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NASA Probe Spots Source of the Geminid Meteor Shower

Astronomers have long suspected debris from the asteroid Phaethon causes the annual meteor shower. Now, NASA's Parker Solar Probe has captured the stream of space debris where the shower originates.

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UK election dashes scientists' hopes of staying in the EU

Nature, Published online: 13 December 2019; doi:10.1038/d41586-019-03865-x Brexit certainty intensifies researchers' concerns about international collaboration and access to European Union funds.

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Florida's black bears remain off-limits from hunters, but only for now

The Florida black bear will remain off-limits from hunters, but only for now.

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Botswana animal groups outraged at elephant killing

Animal campaigners demanded on Friday that a Botswana hunter's licence be revoked after an elephant was killed despite being protected, raising tensions over the country's new hunting rules.

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After two months of red tide scare, cold temperatures have abated the spread on Florida's west coast

After a quick spread over 100 miles of Florida's west coast, red tide has receded and it would seem the colder temperatures may be the reason why.

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Botswana animal groups outraged at elephant killing

Animal campaigners demanded on Friday that a Botswana hunter's licence be revoked after an elephant was killed despite being protected, raising tensions over the country's new hunting rules.

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How you can get better at picking creative ideas

A realistic first idea might not be as creative as an abstract second one, new research shows. "Evaluating creativity is difficult," says Justin M. Berg, an assistant professor at Stanford University Graduate School of Business. "A lot of research suggests that people are not very good at it, that a number of biases and challenges get in the way." In the new paper, Berg investigates a relatively

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Do you flush when you drink? Consider this Alzheimer's discovery

Alcohol may endanger the future cognitive health of people who experience facial redness when drinking, research with cell cultures and mice suggests. In the presence of alcohol, a defective version of the aldehyde dehydrogenase 2 gene in human cell cultures and mice leads to biochemical changes associated with Alzheimer's disease. This mutation in aldehyde dehydrogenase 2, or ALDH2, is associate

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Climate change novels allow us to imagine possible futures: Read these crucial seven

Every day brings fresh and ever more alarming news about the state of the global environment. To speak of mere "climate change" is inadequate now, for we are in a "climate emergency". It seems as though we are tripping over more tipping points than we knew existed.

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Knowledge-sharing: a how-to guide

How is knowledge exchanged and shared when interdisciplinary research teams work together? Professor Margarete Boos and Lianghao Dai from the University of Göttingen have investigated this by studying several different research projects. Their study makes concrete recommendations for how teams can best work together and achieve effective collaborations. The results have been published in the journ

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Chen WeiQiu's team realized the tailoring of topological states via boundary selection

The wave in a topological state can propagate only along the structural boundary or interface. In the case of the valley Hall effect, the topological acoustic waves can propagate in both the directions. The selection of different boundaries along with appropriately designed interfaces provides the acoustic waves in the band gap range with abilities of one-way propagation, dual-channel propagation,

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Dangers Of Mixing Sports And Too Much Caffeine

Are you overconsuming caffeine in the form of energy drinks? Dangers Of Mixing Sports And Too Much Caffeine Video of Dangers Of Mixing Sports And Too Much Caffeine Sports Friday, December 13, 2019 – 09:00 Chris Gorski, Editor Whether it's early in the morning or late at night, countless people all over the world depend on caffeine for a boost of energy. That includes athletes, and many reach for

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Margaret Morse Nice thought like a song sparrow and changed how scientists understand animal behavior

The invader, puffed out into the shape of a ball, fluttered one wing straight up in the air. He sang constantly and softly, incomplete songs in rapid succession. The defender, silent, hunched his shoulders in a menacing attitude, closely following every move of his foe.

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Margaret Morse Nice thought like a song sparrow and changed how scientists understand animal behavior

The invader, puffed out into the shape of a ball, fluttered one wing straight up in the air. He sang constantly and softly, incomplete songs in rapid succession. The defender, silent, hunched his shoulders in a menacing attitude, closely following every move of his foe.

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'Organic' label doesn't guarantee that holiday ham was a happy pig

This holiday season, Americans will buy some 20 million turkeys and 300 million pounds of ham.

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'Organic' label doesn't guarantee that holiday ham was a happy pig

This holiday season, Americans will buy some 20 million turkeys and 300 million pounds of ham.

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Spike in Ebola cases alarms health officials in DRC

Many cases blamed on a single individual who appears to have caught virus for second time Health officials are investigating an alarming spike in Ebola cases in the Democratic Republic of the Congo, with many blamed on a single individual who appears to have contracted the disease for a second time this year. Amid the struggle to bring the 16-month outbreak under control, the World Health Organiz

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The Earth needs multiple methods for removing CO2 from the air to avert worst of climate change

Concentrations of carbon dioxide in the atmosphere are higher than at any time in human history, and nine of the warmest years have occurred since 2005.

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Oåterkalleliga förändringar om permafrosten smälter

Om permafrosten tinar kommer uppvärmningen av jorden att gå ännu snabbare, utsläppen av växthusgaser kommer att mångdubblas, isar smälta och havsnivåerna stiga. Att stoppa uppvärmningen innan 1,5 grader, kan hindra jordens normalt permanent frusna delar från att smälta, menar ledande klimatforskare från bland annat Stockholms universitet. När klimatförhandlingarna i Madrid går mot sitt slut uppma

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Vanliga virus skräddarsys för att leverera genmedicin

För att nå exakt den celltyp i kroppen som behöver behandlas, har neuroforskare i Lund vid skräddarsytt virushöljen för transport av genmedicin. Den nya tekniken snabbar upp evolutionen från miljontals år till veckor. Med genterapi kontrolleras eller förändras arvsmassan med hjälp av biologiska läkemedel. Exempel på detta är gensaxen CRISPR/Cas9 och så kallade CAR-T celler för att behandla olika

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Fortsatt starkt stöd för kamerabevakning

Nio av tio ur allmänheten är positiva till bevakningskameror på allmän plats. Det visar för tredje året i rad en färsk opinionsundersökning. Årets undersökning visar även att den uppfattade nyttan med kameror väger tyngre än behovet av att inte bli filmad i en rad olika miljöer. Det var i början av december som Kantar-Sifo genomförde en opinionsundersökning på temat allmänhetens syn på kamerabeva

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Nike's Victory Swimsuit Steals Tricks From Fish Gills

It took Nike 55 design attempts over 18 months to come up with a suit that caters to hijab-wearing swimmers, paddle boarders, and SPF enthusiasts.

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Rare find: human teeth used as jewelry in Turkey 8,500 years ago

At a prehistoric archaeological site in Turkey, researchers have discovered two 8,500-year-old human teeth, which had been used as pendants in a necklace or bracelet. Researchers have never documented this practice before in the prehistoric Near East, and the rarity of the find suggests that the human teeth were imbued with profound symbolic meaning for the people who wore them.

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Simultaneous emission of orthogonal handedness in circular polarization

Both right- and left-handed circularly polarized light were simultaneously generated from a single device, paving the way for novel applications in biosensors and organic LEDs. The device by using the liquid crystal phase of a polymer, called F8BT, was fabricated by rubbing its upper and lower surfaces in specific directions. The study demonstrates the feasibility of a light source with multiple p

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Tesla wants to replace windscreen wipers with lasers

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Why the US Army must 'get religion' on 3D printing

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NASA releases Martian water map for future astronauts

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Mr.sullivan

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The Case for Buying a House With Friends

Every week, The Friendship Files features a conversation between The Atlantic 's Julie Beck and two or more friends, exploring the history and significance of their relationship. This week she talks with four friends—two married couples—who met through their church in Washington, D.C., and bought a house together in 2018. One of the couples had a baby three months after they moved in. They discus

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The Ulcer of Walter Flowers

The name Walter Flowers has vanished from historical memory. He was a conservative Democrat from Tuscaloosa, Alabama, who served five almost entirely forgettable terms in Congress. He was first elected to the House in 1968 as an ally of George Wallace. He hung a Confederate flag on the wall in his Washington office and pinned an American flag on his lapel and wore red, white, and blue saddle shoe

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Image: Hubble views galaxy's dazzling display

NGC 3175 is located around 50 million light-years away in the constellation of Antlia (the Air Pump). The galaxy can be seen slicing across the frame in this image from the NASA/ESA Hubble Space Telescope, with its mix of bright patches of glowing gas, dark lanes of dust, bright core, and whirling, pinwheeling arms coming together to paint a beautiful celestial scene.

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In Climate Fraud Suit, Exxon Mobil Earns Win Over New York State

A lawsuit filed by New York State in 2018 focused on whether Exxon Mobil had presented investors with a different set of projections on future climate regulations than it had used internally. But a judge ruled this week that the state failed to prove the company "made any material misrepresentations."

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BioNyt Videnskabens Verden (www.bionyt.dk) er Danmarks ældste populærvidenskabelige tidsskrift for naturvidenskab. Det er det eneste blad af sin art i Danmark, som er helliget international forskning inden for livsvidenskaberne.

Bladet bringer aktuelle, spændende forskningsnyheder inden for biologi, medicin og andre naturvidenskabelige områder som f.eks. klimaændringer, nanoteknologi, partikelfysik, astronomi, seksualitet, biologiske våben, ecstasy, evolutionsbiologi, kloning, fedme, søvnforskning, muligheden for liv på mars, influenzaepidemier, livets opståen osv.

Artiklerne roses for at gøre vanskeligt stof forståeligt, uden at den videnskabelige holdbarhed tabes.

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