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Death on Mars
The martian radiation environment is a problem for human explorers that cannot be overstated — Read more on ScientificAmerican.com
4h
Scientists Predict Wuhan's Virus Outbreak Will Get Much Worse
New estimates of how far the virus could spread suggest an explosion of cases will hit the Chinese city and more infected individuals will show up abroad.
18h
1972: »SAS' næste fly er næsten forureningsfrit«
DC-10, der er det seneste skud på stammen af Douglas-passagerfly, bliver den næste større nyanskaffelse, som SAS foretager. Det skrev Ingeniøren i 1972 og beskev flyet som næsten forureningsfrit, økonomisk, komfortabelt og støjsvagt.
4h
Why Journalists Believe Mary Louise Kelly
Yesterday Secretary of State Mike Pompeo bungled an interview with NPR's Mary Louise Kelly and stormed out rather than answer her last questions. (You can listen to their exchange here .) Then Pompeo's aide made one of the most desirable entreaties A journalist ever hears after an interview: Would Kelly speak to the secretary again, and leave her recording device behind? This invitation is always
5min
Australia is despairing this Invasion Day – fire and carbon are what we should be reflecting on
We need to look way, way back and embrace the Indigenous antiquity of this land Fire and carbon. That's what I'll be reflecting on today, 26 January, Invasion Day to me and many I know, Australia Day officially. Continue reading…
12min
Australian government adviser urges threatened species overhaul after bushfires
Exclusive: Helene Marsh backs calls for the creation of national scientific monitoring system to help protect wildlife A senior adviser to the federal government on threatened species has backed calls for the creation of a national scientific monitoring system after the bushfire crisis to help fix Australia's "very uneven" record in protecting endangered wildlife. Helene Marsh, chair of the natio
12min
When judges don't know the meaning of rape, there is little hope of justice | Sonia Sodha
As we watch the Harvey Weinstein trial unfold, other horror stories emerge in our own courts Harvey Weinstein is at last facing justice in a New York courtroom. As I hear in graphic detail the accounts of the women he allegedly raped and sexually assaulted, it's hard to stop myself imagining what I would do if a 21-stone man suddenly reappeared naked and lunged at me after manipulating me to accom
12min
Coronavirus: academic had no official contact on return from China
Martin Dove, who was working in Wuhan, thinks government could do more to track people A British academic who returned from China this week has said that no one from the UK government has tried to contact him regarding the coronavirus outbreak. Health officials have teamed up with Border Force agents and airlines to try to track down about 2,000 people who have flown to the UK from Wuhan , the ar
1h
Updates on Puerto Rico and Whakaari/White Island, Plus Taal Volcano Erupts
The year 2019 ended with a tragic bang, and 2020 is already a busy one for geologic disasters. Here's the latest — Read more on ScientificAmerican.com
1h
Assessing risk of chemicals to wildlife is huge challenge that requires new approach
Computer modelling and long-term ecological monitoring will be essential to assess the environmental risks of the rapidly growing number of chemicals across the world, according to a new review paper.
1h
Dance of the honey bee reveals fondness for strawberries
Bees are pollinators of many plants, but their diversity and density is declining. A team investigated their foraging behavior in agricultural landscapes. They found that honey bees prefer strawberry fields, even if flowering next to oilseed rape fields. Only when oilseed rape was in full bloom were fewer honey bees in the strawberries. Wild bees, on the other hand, consistently chose the strawber
1h
Build the three-legged stool you didn't know your home needed
You may find this little seat has countless uses around your home. (Courtney Starr/) When I moved from Brooklyn, New York, to Durham, North Carolina, it represented an important new freedom—I finally had the space to set up a shop and start woodworking again. One of the first projects I worked on when I moved was this humble three-legged stool. A simple stool comes in handy in any home; it can be
1h
Nanocarbon antenna makes a rare earth element shine 5 times more brightly
A stacked nanocarbon antenna makes a rare earth element shine 5 times more brightly than previous designs, with applications in molecular light-emitting devices.
1h
Quantum physics: On the way to quantum networks
Physicists have successfully demonstrated the transport of an entangled state between an atom and a photon via an optic fiber over a distance of up to 20 km — thus setting a new record.
1h
2020 SkS Weekly Climate Change & Global Warming News Roundup #4
A chronological listing of news articles linked to on the Skeptical Science Facebook Page during the past week, i.e., Sun, Jan 19, 2020 through Sat, Jan 25, 2020 Editor's Pick The companies that have contributed most to climate change Thought-provoking readings on those most responsible for the pollution. Sometimes, in our struggle to address climate change, we need to see ourselves as facing not
2h
The Sneaky Simple Malware That Hits Millions of Macs
How the Shlayer Trojan topped the macOS malware charts—despite its "rather ordinary" methods.
2h
Unravelling arthropod genomic diversity over 500 million years of evolution
The evolutionary innovations of insects and other arthropods are as numerous as they are wondrous, from terrifying fangs and stingers to exquisitely colored wings and ingenious feats of engineering. DNA sequencing allows us to chart the genomic blueprints underlying this incredible diversity that characterizes the arthropods and makes them the most successful group of animals on Earth.
2h
Why eating yogurt may help lessen the risk of breast cancer
One of the causes of breast cancer may be inflammation triggered by harmful bacteria suggest researchers. Scientists advise consuming natural yogurt, which contains beneficial bacteria which dampens inflammation and which is similar to the bacteria found in breastfeeding mothers. Their suggestion is that this bacteria is protective because breast feeding reduces the risk of breast cancer. The cons
2h
Why cells need acidic lysosomes
Little organs within cells called lysosomes digest unwanted material. And like stomachs, they must be acidic to do so. If they aren't, cells stop growing. Researchers wanted to know why.
2h
West Nile virus triggers brain inflammation by inhibiting protein degradation
West Nile virus (WNV) inhibits autophagy — an essential system that digests or removes cellular constituents such as proteins — to induce the aggregation of proteins in infected cells, triggering cell death and brain inflammation (encephalitis), according to researchers.
2h
Space Walk Underway For Final Fix Of International Space Station Device
Two astronauts aboard the International Space Station make their fourth foray outside the spacecraft to prolong the lifespan of a cosmic ray detector. (Image credit: AP)
3h
How to Stay Hydrated During Exercise
If you're lugging around a fanny pack water bladder or sports beverages, you may be doing it wrong — Read more on ScientificAmerican.com
4h
As DNA Test Sales Plummet, 23andMe Lays off 100 Workers
People just aren't buying home DNA testing kits like they used to — and that's bad news for anyone who depends on those sales for a paycheck. Case in point: On Thursday, genetic testing company 23andMe announced that the shrinking market was forcing it to lay off about 100 workers, including members of the operations team. "What I can confirm is that we are restructuring the consumer business, wh
4h
It's time to tune in: why listening is the real key to communication
Whether at work or at home, success depends on how good a listener you are When people find out I'm a journalist, they typically tell me they used to write for their school newspaper or that their child wants to be a journalist, or that their cousin is a blogger. Or they might say they loved a film about a newsroom, but can't remember the name. They might try to look up the film on their phones a
4h
Diesel Dave's Dream El Camino! | Diesel Brothers
Diesel Dave adds the finishing touches to his dream El Camino before revealing it at Monster Jam. Stream Full Episodes of Diesel Brothers: https://go.discovery.com/tv-shows/diesel-brothers/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/DieselBrothersTV https://www.facebook.com/Discovery Follow on Twitter: https://twitter.com/DieselBrosTV ht
4h
Space Photos of the Week: An Ode to Infrared
The Spitzer Space Telescope wasn't big, but its view of the universe was certainly mighty.
4h
Weekend reads: Texas A&M vs. Harvard; scientific publishers a "threatened species"; six researchers with "greed and a disregard" for rules
Before we present this week's Weekend Reads, a question: Do you enjoy our weekly roundup? If so, we could really use your help. Would you consider a tax-deductible donation to support Weekend Reads, and our daily work? Thanks in advance. The week at Retraction Watch featured: A researcher starting 2020 off with a forthright retraction; A … Continue reading
4h
This Week's Awesome Tech Stories From Around the Web (Through January 25)
NEUROSCIENCE The Most Complete Brain Map Ever Is Here: A Fly's 'Connectome' Gregory Barber | Wired "Researchers like Rubin believe a physical blueprint of the brain could become a foundational resource for neuroscientists—doing for brain science what genome sequences have done for genetics." PRIVACY The Secretive Company That Might End Privacy as We Know It Kashmir Hill | The New York Times "Sear
4h
China's Battle With a Deadly Coronavirus, in Photos
Here are the latest images as the country confronts a major public health crisis.
4h
Can lithium halt progression of Alzheimer's disease?
In a new study, a team of researchers has shown that, when given in a formulation that facilitates passage to the brain, lithium in doses up to 400 times lower than what is currently being prescribed for mood disorders is capable of both halting signs of advanced Alzheimer's pathology and of recovering lost cognitive abilities.
4h
High air pollution exposure in 1-year-olds linked to structural brain changes at age 12
A new study suggests that significant early childhood exposure to traffic-related air pollution (TRAP) is associated with structural changes in the brain at the age of 12.
4h
Going with the flow: New insights into mysterious fluid motions
Scientists gain a deeper understanding of turbulent and transitional pipe flows.
4h
Fonts in campaign communications have liberal or conservative leanings
Yard signs for a local politician captured a researchers curiosity. The more people view a font as aligned with their ideology, the more they favor it.
4h
The skin of Earth is home to Pac-Man-like protists
The most common groups of soil protists behave exactly like Pac-Man: moving through the soil matrix, gobbling up bacteria according to a new article.
4h
Wales a haven for wildlife – but for how long?
It is one of Europe's "best wildlife secrets" and home to unique and unusual species.
4h
Bad Hookup, or Sexual Assault? Sometimes the Friends Decide.
Before they wrote Sexual Citizens , their new book about campus sexual assault and how to prevent it, the Columbia University professors Jennifer S. Hirsch and Shamus Khan spent much of 2015 and 2016 hanging out with Columbia undergrads and talking with them about their experiences with assault. Their year-and-a-half-long research project was part of a larger initiative to rethink how campuses mi
5h
Race to exploit the world's seabed set to wreak havoc on marine life
New research warns that 'blue acceleration' – a global goldrush to claim the ocean floor – is already impacting on the environment. The scaly-foot snail is one of Earth's strangest creatures. It lives more than 2,300 metres below the surface of the sea on a trio of deep-sea hydrothermal vents at the bottom of the Indian Ocean. Here it has evolved a remarkable form of protection against the crushin
5h
Writing About Videogames Isn't All Fun and Glamor
David L. Craddock is one of the major voices in longform games journalism, but his reporting hasn't always been easy.
5h
Google Calls Out Safari for Privacy Flaws
Facial recognition, iCloud encryption, and the rest of this week's top security news.
5h
Iguanas are falling out of trees in Florida, and it's completely fine
A green iguana on a palm tree trunk in Key West, Florida. The species is not native to the US. (Nelli Parhomenko/) Frank Mazzotti is a wildlife ecologist at the University of Florida. This story originally featured on The Conversation . As temperatures dipped this week, the National Weather Service issued freeze warnings for much of Florida and Georgia, adding a warning in South Florida for "fall
5h
London Police Deploy Controversial Facial Recognition Cameras
Facial recognition technology is more widespread than ever — many people have phones in their pockets that use advanced sensors and algorithms to make sure no one else can access their data. However, law enforcement is also increasingly using facial recognition data to scan crowds for known criminals. The city of London is the latest to add this capability to its public safety arsenal. The city c
5h
When Fire Weather Becomes the Norm
I met Claire Yeo, a fire meteorologist at Australia's Bureau of Meteorology, more than 10 years ago when I covered the Black Saturday bushfires in Victoria, Australia's southeastern mainland state. The February 2009 fires were the most destructive and deadly the country had seen—shocking even to Yeo. At the time, she thought those fires would be a defining—and singular—event in her career. Since
6h
The Shadow That's Haunting Will Smith
This story contains spoilers for Gemini Man and Bad Boys for Life. At the end of his 2019 action blockbuster Gemini Man , Will Smith battles a younger version of himself. Literally: He plays a retired assassin named Henry Brogan who finds out that he's been cloned, and that sprightly double (created with de-aging technology) is now trying to eliminate his forebear. The film, directed by Ang Lee,
6h
China's Citywide Quarantines: Are They Ethical and Effective?
The country has shut down all travel to and from Wuhan and nearby cities in an attempt to curb the spread of a new virus — Read more on ScientificAmerican.com
6h
The Doomsday Clock Moves Closer Than Ever to Midnight
Since the advent of the clock—even during the peak years of the Cold War—the minute hand has never advanced past the 11:58 mark.
6h
China's Citywide Quarantines: Are They Ethical and Effective?
The country has shut down all travel to and from Wuhan and nearby cities in an attempt to curb the spread of a new virus — Read more on ScientificAmerican.com
6h
A Travel Ban To Contain The Coronavirus Could Worsen Conditions In Wuhan
China is enforcing travel restrictions on several cities, affecting millions of people. But research shows that these measures are not effective. In fact, they might make the situation even worse.
6h
Coronavirus: 50m people in China under new year lockdown
President Xi Jinping warns of 'grave situation' as the country spends holiday under travel restriction to stop the virus spreading Follow the latest developments Share your story China's president, Xi Jinping, has called an emergency government meeting, telling officials the country is facing a "grave situation" as the new coronavirus is "accelerating its spread". More than 50 million people are
6h
China quarantine, Tesla hits $100bn, Boeing Max
Chinese authorities shut down transport networks to contain the coronavirus outbreak
6h
Carrie Lam declares coronavirus emergency in Hong Kong – video
Hong Kong's chief executive, Carrie Lam, has raised the territory's response to the coronavirus outbreak to emergency level. Immigration and travel from Wuhan will be limited, major events cancelled and school openings delayed by two weeks. Lam said: 'We have an emergency response level, it means that for this novel infectious disease, the impact on the population will be a high and imminent' Cor
7h
No Wonder the Impeachment Trial Is Such a Mess
President Donald Trump's impeachment trial has finally begun, complete with 100 senators who serve as both judges and jurors, several members of the House of Representatives who act as prosecutors, a defense team of lawyers, and presiding over the whole affair, the Supreme Court's John Roberts. All of these people, except for the defense counsel and the chief justice, are politicians who have now
7h
Scraping the Web Is a Powerful Tool. Clearview AI Abused It
The facial recognition startup claims it collected billions of photos from sites like Facebook and Twitter. What does the practice mean for the open web?
7h
An AI Epidemiologist Sent the First Warnings of the Wuhan Virus
The BlueDot algorithm scours news reports and airline ticketing data to predict the spread of diseases like those linked to the flu outbreak in China.
7h
16 Best Weekend Deals: Samsung QLEDs, Apple AirPods Pro, and More
If you're in the market for the Gadget Lab's favorite headphones, a smart display, or a new robot vacuum, you're in luck.
7h
London Cops Will Use Facial Recognition to Hunt Suspects
The deployment, at an unspecified number of locations, will be one of the largest uses of the technology by government authorities in the West.
7h
What is the coronavirus and how worried should we be?
What are the symptoms caused by the China virus and at what point should you go to the doctor? Live news updates on the coronavirus outbreak Where has the virus spread? Infection reaches Australia It is a novel coronavirus – that is to say, a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals. Many of those infected either w
8h
Coronavirus boosts rubber gloves and surgical shares
Traders in Asia have sought ways to cash in on epidemic of deadly virus
8h
Wall St steady as investors assess China virus impact
Beijing cautions push to contain coronavirus is at critical stage
8h
The Flu Is a Way Bigger Threat to Most People in The US Than Coronavirus. Here's Why
Before you freak out.
8h
Tyranny comes home: How the 'boomerang effect' impacts civilian life in the U.S.
Methods used in foreign intervention often resurface domestically, whether that's in the form of skills or technology. University of Tampa professor Abigail Blanco calls this the boomerang effect. It's a consequence not often thought about when we discuss foreign intervention. The three channels to consider when examining the boomerang effect include human capital in the form of skills, administr
8h
Mysterious Footprints Indicate Neanderthals Climbed a Volcano Right After It Erupted
What were they thinking?
8h
China reports rising death toll from coronavirus
President Xi Jinping says country faces 'grave situation' and Hong Kong declares highest level of emergency
8h
Grafik: Ny container skaffer batteri-branden af vejen
PLUS. Beredskab Østs slukningscontainer løser problemet med brændende elbiler ved at fjerne dem. Ind i containeren og vand på – så kan hele molevitten fragtes væk og brænde ud i fred.
8h
An optochemical tool for light-induced dissociation of adherens junctions to control mechanical coupling between cells
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-020-14390-1 Adherens junctions (AJs) mediate cell-cell adhesion between epithelial cells but tools to study their dynamic regulation are lacking. Here the authors develop an optochemical tool to stimulate the assembly of AJs through addition of a photocleavable tool and their dissociation upon exposure to light.
8h
Efficient electron transmission in covalent organic framework nanosheets for highly active electrocatalytic carbon dioxide reduction
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-019-14237-4 The study of covalent organic frameworks (COFs) in electrocatalytic CO2 reduction reaction (CO2RR) has drawn much attention. Here the authors show a series of tetrathiafulvalene based COFs designed and exfoliated into nanosheets which exhibit high electrocatalytic CO2RR performance.
8h
Transcriptomic profiling of skeletal muscle adaptations to exercise and inactivity
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-019-13869-w The pathways that underlie the effects of exercise on metabolism remain incompletely described. Here, the authors perform a meta-analysis of transcriptomic data from 66 published datasets of human skeletal muscle. They identify pathways selectively activated by inactivity, aerobic or resistance exercise, and
8h
Impaired neuronal sodium channels cause intranodal conduction failure and reentrant arrhythmias in human sinoatrial node
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-019-14039-8 The role of of voltage-gated sodium channels (Nav) in pacemaking and conduction of the human sinoatrial node is unclear. Here, the authors investigate existence and function of neuronal and cardiac Nav in human sinoatrial nodes, and demonstrate their alterations in explanted human diseased hearts.
8h
Single-cell analysis reveals new evolutionary complexity in uveal melanoma
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-019-14256-1 Uveal melanoma is highly metastatic and unresponsive to checkpoint immunotherapy. Here, the authors present single-cell transcriptomics of 59,915 cells in 8 primary and 3 metastatic samples, highlighting the diversity of the tumour microenvironment.
8h
Nr4a1 suppresses cocaine-induced behavior via epigenetic regulation of homeostatic target genes
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-020-14331-y The regulation of gene expression underlies many forms of learning and behaviour in the mammalian brain. Carpenter et al. define a molecular mechanism whereby Nr4a1 activation leads to persistent changes in gene expression, chromatin and behaviour, in the context of cocaine abstinence.
8h
Spatial attention enhances network, cellular and subthreshold responses in mouse visual cortex
Nature Communications, Published online: 24 January 2020; doi:10.1038/s41467-020-14355-4 Extensive research in primates shows that attention to space improves behavioural performance as well as neural responses to stimuli in that location. Here, the authors establish a visual spatial attention task in mice and report on attentional modulation of behaviour, as well as neural correlates from subthr
8h
Australian of the year: Dr James Muecke awarded top prize and Ashleigh Barty also honoured
Barty named young Australian of the year, Prof John Newnham the senior Australian of the year and Bernie Shakeshaft the 2020 Local Hero Dr James Muecke, an eye surgeon who has dedicated his professional career to preventing blindness among the poorest people in the world, has been recognised as the 2020 Australian of the year. Adelaide-born Muecke, who began his medical career in Kenya, said it w
9h
What Chicago's Mayor Really Thinks About the Democratic Field
Lori Lightfoot is used to being different: She grew up in a working-class family in a small town in Ohio, where being an African American woman made her constantly underestimated. But those differences—not to mention being openly gay, which itself makes her a trailblazer as a big-city mayor—came together to propel her to a huge win for mayor of Chicago last year, despite being an outsider who had
9h
Error and Trial
As the Senate impeachment trial droned on Thursday afternoon, Representative Jerry Nadler, one of the House managers prosecuting President Donald Trump, launched into a long, scholarly lecture on the constitutional remedy for presidential "abuse, betrayal, corruption"—what he called "the ABCs of impeachable offenses." In the last row of the chamber's Democratic side, Senators Cory Booker and Kama
9h
Has physicist's gravity theory solved 'impossible' dark energy riddle?
Prof Claudia de Rham's 'massive gravity' theory could explain why universe expansion is accelerating Cosmologists don't enter their profession to tackle the easy questions, but there is one paradox that has reached staggering proportions. Since the big bang, the universe has been expanding, but the known laws of physics suggest that the inward tug of gravity should be slowing down this expansion.
10h
Scientists to search for relatives of extinct Galapagos tortoises
A scientific expedition to the Galapagos Islands will spend ten days searching for relatives of two tortoise species believed to be extinct, including those of the archipelago's Lonesome George, park officials said Friday.
10h
Scientists to search for relatives of extinct Galapagos tortoises
A scientific expedition to the Galapagos Islands will spend ten days searching for relatives of two tortoise species believed to be extinct, including those of the archipelago's Lonesome George, park officials said Friday.
10h
What do Chinese opera masks and spiders have in common? A lot, as it turns out.
To better understand how animals like spiders communicate with pattern and color, a University of Cincinnati biology student is turning to ancient dramatic art.
11h
US Space Force logo draws comparisons to 'Star Trek'
Space Force Star Trek
US President Donald Trump unveiled the logo of Space Force on Friday, attracting critics who said America's newest military branch had boldly gone where Star Trek went before.
11h
What do Chinese opera masks and spiders have in common? A lot, as it turns out.
To better understand how animals like spiders communicate with pattern and color, a University of Cincinnati biology student is turning to ancient dramatic art.
11h
Fonts in campaign communications have liberal or conservative leanings
Yard signs for a local politician captured the curiosity of Katherine Haenschen.
11h
The skin of the earth is home to pac-man-like protists
Pac-Man, the open-mouthed face of the most successful arcade game ever, is much more well-known than any of the one-celled organisms called protists, at least among people over 30. But the first study to characterize protists in soils from around the world—co-authored by Smithsonian scientists—found that the most common groups of soil protists behave exactly like Pac-Man: moving through the soil m
11h
Study shows effects of Chinese divorce law on women's wellbeing
In 2011, China's Supreme Court dealt a blow to the property rights of women by ruling that family homes purchased before marriage automatically belong to the registered buyer upon divorce, historically the husband.
11h
The skin of the earth is home to pac-man-like protists
Pac-Man, the open-mouthed face of the most successful arcade game ever, is much more well-known than any of the one-celled organisms called protists, at least among people over 30. But the first study to characterize protists in soils from around the world—co-authored by Smithsonian scientists—found that the most common groups of soil protists behave exactly like Pac-Man: moving through the soil m
11h
Ugens debat: Kan vi få elbilen til at slukke sig selv?
Ing.dk bad i sidste uge læserne om gode forslag til, hvordan sejlivede batteribrande i elbiler kan forhindres – eller slukkes af bilen. Det fik mange læsere til tasterne med forslag og kommentarer.
11h
Autofluorescence mediated red spherulocyte sorting provides insights into the source of spinochromes in sea urchins
Scientific Reports, Published online: 24 January 2020; doi:10.1038/s41598-019-57387-7
11h
Comparisons of the antibody repertoires of a humanized rodent and humans by high throughput sequencing
Scientific Reports, Published online: 24 January 2020; doi:10.1038/s41598-020-57764-7
11h
Insights into the regulation of molecular mechanisms involved in energy shortage in detached citrus fruit
Scientific Reports, Published online: 24 January 2020; doi:10.1038/s41598-019-57012-7
11h
Beneficial bile acid metabolism from Lactobacillus plantarum of food origin
Scientific Reports, Published online: 24 January 2020; doi:10.1038/s41598-020-58069-5
11h
Improved efficacy of antifungal drugs in combination with monoterpene phenols against Candida auris
Scientific Reports, Published online: 24 January 2020; doi:10.1038/s41598-020-58203-3
11h
Dinosaur tracks seem to show giant sauropod wading on two front legs
Sauropod dinosaurs grew to 25 metres or more in length and weighed several tonnes – but footprints in Texas seem to suggest they sometimes walked on just two legs
12h
Race begins to build Chinese coronavirus hospital in 10 days – video
A huge fleet of diggers has been deployed in the Chinese city of Wuhan, the centre of the coronavirus outbreak, to begin the ambitious task of building a 1,000-bed hospital by 3 February to treat victims of the epidemic Continue reading…
12h
The Muslim World's Question: 'What Happened to Us?'
What happened to us? The question haunts us in the Arab and Muslim world. We repeat it like a mantra. You will hear it from Iran to Syria, from Saudi Arabia to Pakistan, and in my own country, Lebanon. For us, the past is a different country, one not mired in the horrors of sectarian killings. It is a more vibrant place, without the crushing intolerance of religious zealots and seemingly endless,
13h
Klar på en vinternat i det fri? Lige nu kan du opleve ræve og ugler på scoretur
Naturen er helt anderledes en vinternat end på en sommerdag.
13h
Coronavirus outbreak: doctor in Wuhan hospital dies as army medics flown in
Liang Wudong, 62, died after treating patients in Wuhan amid signs that health workers are overwhelmed by the outbreak A doctor treating victims infected with the coronavirus in the Chinese city of Wuhan has died from the virus amid further signs that the local health system has been overwhelmed and that the outbreak is worsening. The 62-year-old doctor Liang Wudong died on Saturday morning, stat
13h
Världens äldsta rostade rotsaker visar att stenålderskosten innehöll mycket kolhydrater
Matresterna på bilden är 177 000 år gamla och hittades i en grotta i Sydafrika. De visar hur stenålderskosten kunde innehålla grönsaker rika på stärkelse och kolhydrater.
14h
Mobila naturreservat kan vara havets räddning
Eftersom vissa djur rör sig i princip över hela jorden bör vi införa naturreservat som följer med djuren. Det menar forskare i en ny artikel i tidskriften Science.
14h
Barred Owls Invade the Sierra Nevada
By listening to the sounds of the forest, biologists were able to identify an invasion of barred owls in spotted owl habitat. Christopher Intagliata reports.
15h
Barred Owls Invade the Sierra Nevada
By listening to the sounds of the forest, biologists were able to identify an invasion of barred owls in spotted owl habitat. Christopher Intagliata reports. — Read more on ScientificAmerican.com
16h
Barred Owls Invade the Sierra Nevada
By listening to the sounds of the forest, biologists were able to identify an invasion of barred owls in spotted owl habitat. Christopher Intagliata reports. — Read more on ScientificAmerican.com
16h
Dine tarmbakterier kan blive nøglen til vægttab
Flere studier har slået fast, at tarmbakterier er afgørende for menneskets sundhed, og at bakterierne…
17h
On the correlation between telomere shortening rate and life span [Letters (Online Only)]
Whittemore et al. (1) find significant correlations between maximum life span (MLS) and telomere shortening rate (TSR) in mammalian and avian species. This interesting study comes to the conclusion that "critical telomere shortening and the consequent onset of telomeric DNA damage and cellular senescence are a general determinant of species…
17h
Reply to Udroiu: Interesting mathematical analysis of telomere shortening rate and life span [Letters (Online Only)]
We appreciate Udroiu's letter titled "On the correlation between telomere shortening rate and life span" (1). We acknowledge that our conclusion that "critical telomere shortening and the consequent onset of telomeric DNA damage and cellular senescence are a general determinant of species life span" in our recent publication (2) may…
17h
An ancestral anatomical and spatial bias for visually guided behavior [Letters (Online Only)]
Human behavioral asymmetries are commonly studied in the context of structural cortical and connectional asymmetries. Within this framework, Sreenivasan and Sridharan (1) provide intriguing evidence of a relationship between visual asymmetries and the lateralization of superior colliculi connections—a phylogenetically older mesencephalic structure. Specifically, response facilitation for cued loca
17h
Reply to Friedrich et al.: Both genetic and environmental factors may contribute to laterality in mesencephalic connectivity and bias [Letters (Online Only)]
We thank Friedrich et al. (1) for their keen interest in our study (2) and for highlighting additional examples of asymmetries in visually guided behavior and brain connectivity across several vertebrate classes. The superior colliculus (SC), or its nonmammalian homolog, the optic tectum (OT), is, indeed, an evolutionarily conserved vertebrate…
17h
EPA's proposed transparency rule: Factors to consider, many; planets to live on, one [Editorials]
"In God we trust. All others bring data." So reads a T-shirt sold by the American Statistical Association. This pithy quip encapsulates a fundamental principle of science: Scientists rely on evidence rather than authority. Indeed, "doubt has been considered essential to science since long before the scientific method was established…
17h
Pseudomonas aeruginosa lasR mutant fitness in microoxia is supported by an Anr-regulated oxygen-binding hemerythrin [Microbiology]
Pseudomonas aeruginosa strains with loss-of-function mutations in the transcription factor LasR are frequently encountered in the clinic and the environment. Among the characteristics common to LasR-defective (LasR−) strains is increased activity of the transcription factor Anr, relative to their LasR+ counterparts, in low-oxygen conditions. One of the Anr-regulated genes found…
17h
QnAs with Roger J. Davis [QnAs]
The human body's response to stress can contribute to metabolic dysfunction, inflammation, and cancer. Roger J. Davis has spent his career elucidating the mechanisms underlying such stress responses. A professor of molecular medicine at the University of Massachusetts Medical School at Worcester, Davis was elected to the National Academy of…
17h
ECM1 is an essential factor for the determination of M1 macrophage polarization in IBD in response to LPS stimulation [Immunology and Inflammation]
Inflammatory bowel disease (IBD) comprises chronic relapsing disorders of the gastrointestinal tract characterized pathologically by intestinal inflammation and epithelial injury. Here, we uncover a function of extracellular matrix protein 1 (ECM1) in promoting the pathogenesis of human and mouse IBD. ECM1 was highly expressed in macrophages, particularly tissue-infiltrated macrophages under…
17h
Evolutionary dynamics of recent selection on cognitive abilities [Evolution]
Cognitive abilities can vary dramatically among species. The relative importance of social and ecological challenges in shaping cognitive evolution has been the subject of a long-running and recently renewed debate, but little work has sought to understand the selective dynamics underlying the evolution of cognitive abilities. Here, we investigate recent…
17h
Selectivity filter modalities and rapid inactivation of the hERG1 channel [Chemistry]
The human ether-á-go-go–related gene (hERG1) channel conducts small outward K+ currents that are critical for cardiomyocyte membrane repolarization. The gain-of-function mutation N629D at the outer mouth of the selectivity filter (SF) disrupts inactivation and K+-selective transport in hERG1, leading to arrhythmogenic phenotypes associated with long-QT syndrome. Here, we combined computational…
17h
Combinatorial protein-protein interactions on a polymerizing scaffold [Biophysics and Computational Biology]
Scaffold proteins organize cellular processes by bringing signaling molecules into interaction, sometimes by forming large signalosomes. Several of these scaffolds are known to polymerize. Their assemblies should therefore not be understood as stoichiometric aggregates, but as combinatorial ensembles. We analyze the combinatorial interaction of ligands loaded on polymeric scaffolds, in…
17h
Theory of the strange metal Sr3Ru2O7 [Physics]
The bilayer perovskite Sr3Ru2O7 has been widely studied as a canonical strange metal. It exhibits T-linear resistivity and a T log(1/T) electronic specific heat in a field-tuned quantum critical fan. Criticality is known to occur in "hot" Fermi pockets with a high density of states close to the Fermi energy….
17h
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Uncertainty in learning, choice, and visual fixation [Psychological and Cognitive Sciences]
Uncertainty plays a critical role in reinforcement learning and decision making. However, exactly how it influences behavior remains unclear. Multiarmed-bandit tasks offer an ideal test bed, since computational tools such as approximate Kalman filters can closely characterize the interplay between trial-by-trial values, uncertainty, learning, and choice. To gain additional insight…
17h
Dysregulation of TLR9 in neonates leads to fatal inflammatory disease driven by IFN-{gamma} [Immunology and Inflammation]
Recognition of self-nucleic acids by innate immune receptors can lead to the development of autoimmune and/or autoinflammatory diseases. Elucidating mechanisms associated with dysregulated activation of specific receptors may identify new disease correlates and enable more effective therapies. Here we describe an aggressive in vivo model of Toll-like receptor (TLR) 9…
17h
Regulation of adipose tissue inflammation by interleukin 6 [Immunology and Inflammation]
Obesity is associated with a chronic state of low-grade inflammation and progressive tissue infiltration by immune cells and increased expression of inflammatory cytokines. It is established that interleukin 6 (IL6) regulates multiple aspects of metabolism, including glucose disposal, lipolysis, oxidative metabolism, and energy expenditure. IL6 is secreted by many tissues,…
17h
Reassessing enzyme kinetics: Considering protease-as-substrate interactions in proteolytic networks [Systems Biology]
Enzymes are catalysts in biochemical reactions that, by definition, increase rates of reactions without being altered or destroyed. However, when that enzyme is a protease, a subclass of enzymes that hydrolyze other proteins, and that protease is in a multiprotease system, protease-as-substrate dynamics must be included, challenging assumptions of enzyme…
17h
Precision medicine integrating whole-genome sequencing, comprehensive metabolomics, and advanced imaging [Genetics]
Genome sequencing has established clinical utility for rare disease diagnosis. While increasing numbers of individuals have undergone elective genome sequencing, a comprehensive study surveying genome-wide disease-associated genes in adults with deep phenotyping has not been reported. Here we report the results of a 3-y precision medicine study with a goal…
17h
Allosteric activation of MALT1 by its ubiquitin-binding Ig3 domain [Immunology and Inflammation]
The catalytic activity of the protease MALT1 is required for adaptive immune responses and regulatory T (Treg)-cell development, while dysregulated MALT1 activity can lead to lymphoma. MALT1 activation requires its monoubiquitination on lysine 644 (K644) within the Ig3 domain, localized adjacent to the protease domain. The molecular requirements for MALT1…
17h
FOXO1 and FOXO3 transcription factors have unique functions in meniscus development and homeostasis during aging and osteoarthritis [Medical Sciences]
The objective of this study was to examine FoxO expression and FoxO function in meniscus. In menisci from human knee joints with osteoarthritis (OA), FoxO1 and 3 expression were significantly reduced compared with normal menisci from young and old normal donors. The expression of FoxO1 and 3 was also significantly…
17h
Reciprocity and behavioral heterogeneity govern the stability of social networks [Psychological and Cognitive Sciences]
The dynamics of social networks can determine the transmission of information, the spread of diseases, and the evolution of behavior. Despite this broad importance, a general framework for predicting social network stability has not been proposed. Here we present longitudinal data on the social dynamics of a cooperative bird species,…
17h
Selective reduction of CO to acetaldehyde with CuAg electrocatalysts [Engineering]
Electrochemical CO reduction can serve as a sequential step in the transformation of CO2 into multicarbon fuels and chemicals. In this study, we provide insights on how to steer selectivity for CO reduction almost exclusively toward a single multicarbon oxygenate by carefully controlling the catalyst composition and its surrounding reaction…
17h
Fast-freezing kinetics inside a droplet impacting on a cold surface [Applied Physical Sciences]
Freezing or solidification of impacting droplets is omnipresent in nature and technology, be it a rain droplet falling on a supercooled surface; in inkjet printing, where often molten wax is used; in additive manufacturing or metal-production processes; or in extreme ultraviolet lithography (EUV) for the chip production, where molten tin…
17h
Conformational changes upon gating of KirBac1.1 into an open-activated state revealed by solid-state NMR and functional assays [Biophysics and Computational Biology]
The conformational changes required for activation and K+ conduction in inward-rectifier K+ (Kir) channels are still debated. These structural changes are brought about by lipid binding. It is unclear how this process relates to fast gating or if the intracellular and extracellular regions of the protein are coupled. Here, we…
17h
IL-4 controls activated neutrophil Fc{gamma}R2b expression and migration into inflamed ȷoints [Immunology and Inflammation]
Neutrophils are the most abundant immune cells found in actively inflamed joints of patients with rheumatoid arthritis (RA), and most animal models for RA depend on neutrophils for the induction of joint inflammation. Exogenous IL-4 and IL-13 protect mice from antibody-mediated joint inflammation, although the mechanism is not understood. Neutrophils…
17h
The logo for the new US Space Force is almost identical to the logo for Star Fleet Command in Star Trek
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17h
AI, Blockchain technology to rescue modern slaves: For years people have been knowingly or unknowingly consuming goods made by millions of forced workers worldwide. Now, technology is forcing them to reflect on their choices by exposing their complicity in slavery.
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17h
CRISPR May Unlock Targeted Cannabis Therapy: Ever wondered why people react so differently to cannabis? Researchers may have found the genetic controlling "switch," allowing for tailored medicinal cannabis treatments.
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17h
Scotland is on track to move its energy sector to 100 percent renewables by the end of this year. Scots have completely kicked coal, shutting down the nation's last coal-fired power plant in 2016
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17h
Solar, storage, and wind tipped as top energy job generators through 2050
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17h
At Last, the Guy Behind the Navy's Wild UFO Patents Speaks
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New human rights to protect against 'mind hacking' and brain data theft proposed | Science
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The New US Space Force Logo Looks Just Like 'Star Trek' And There's a Reason Why
It's no coincidence.
17h
Trump unveils logo for Starfleet … er, Space Force … and Trekkers take to Twitter
In a move that would please Gene Roddenberry – or make him ask for royalties – the president showed off a familiar looking symbol As the impeachment trial of Donald Trump continued in earnest on Friday, the president was boldly unveiling his new logo for the US Space Force. After consultation with our Great Military Leaders, designers, and others, I am pleased to present the new logo for the Unit
19h
An Esports Exodus to YouTube Reshapes the Livestream Wars
The *Call of Duty* League, the *Overwatch* League, and *Hearthstone* Esports all call YouTube home now. That's not great news for Twitch.
19h
The Atlantic Politics Daily: Will Iowa Always Get to Go First?
It's Friday, January 24. The CDC has confirmed another U.S. case of coronavirus. "Based on what's known so far, the virus is dangerous," James Hamblin writes, "but not unprecedentedly so." On Capitol Hill, the impeachment trial continues. Here's David Graham on the latest news to emerge from that world. In the rest of today's newsletter: Eyes on Iowans, who get to vote first. Plus: Joe Rogan "fee
20h
After criticism, federal officials to revisit policy for reviewing risky virus experiments
Closed-door reviews of risks and benefits of studies should be made public, some scientists say
20h
Dolly Parton's Meme Exposes Social Media's Masquerade
The country star's "LinkedIn, Facebook, Instagram, Tinder" post speaks to people's desire to be what any platform needs them to be.
20h
Some Scientists Are Skeptical Dark Energy Even Exists — But Others Push Back
Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground.
21h
The Mysterious Chinese Outbreak Just Reached Europe
The deadly pneumonia-like virus known as 2019-nCoV, which has spread inexorably out of China for the past month, has officially reached Europe. France's health department confirmed two cases — one in Paris and one in Bordeaux — on Friday, The Guardian reports . With that, 2019-nCoV has now spread to 12 countries — though aside from France, the U.S. , and unconfirmed reports in Mexico, the disease
21h
Global stocks turn lower on China virus fears
Outbreak ripples across US, European and Asian equity markets
21h
Wall St weighed down by first US case of coronavirus
Drop in Boeing shares drags on Dow Jones Industrial Average
21h
Listen: Scientists recreate voice of 3,000-year-old Egyptian mummy
Scientists printed a 3D replica of the vocal tract of Nesyamun, an Egyptian priest whose mummified corpse has been on display in the UK for two centuries. With the help of an electronic device, the reproduced voice is able to "speak" a vowel noise. The team behind the "Voices of the Past" project suggest reproducing ancient voices could make museum experiences more dynamic. None Scientists have r
21h
Tinder Announces "Panic Button," Anti-Catfishing Features
Online Dating In a perfect world, the worst thing that could happen on a Tinder date would be that you and your match don't click. In reality, though, the downsides of online dating range from being the victim of catfishing to finding oneself in physical danger . But on Thursday, Tinder announced several new app features that could — thankfully — bring the reality of online dating more in line wi
21h
Here's a Timeline of How China's Viral Outbreak Spread Worldwide
Over the past month, a viral outbreak that started in Wuhan, China has spread throughout the world — giving rise to fears of a global crisis. The virus, dubbed 2019-nCoV, has remained mysterious, in part because China has worked to control the narrative and flow of information. As the media has made sense of the looming pandemic, different outlets have sometimes provided conflicting information,
21h
Study shows effects of Chinese divorce law on women's wellbeing
In a new study, Yale sociologist Emma Zang examined the consequences of the 2011 judicial interpretation on the well being of men and women. It found that while the judicial interpretation initially diminished women's well being by depriving them of property rights and economic autonomy, the negative effects weakened over the long term.
21h
Where Coronaviruses Come From
EcoHealth Alliance President Peter Daszak speaks with The Scientist about how pathogens like 2019-nCoV jump species, and how to head off the next pandemic.
21h
Opioid dependence found to permanently change brains of rats
Approximately one-quarter of patients who are prescribed opioids for chronic pain misuse them, with five to 10 percent developing an opioid use disorder or addiction. In a new study, researchers found that opioid dependence produced permanent changes in the brains of rats.
21h
'Jumping genes' help stabilize DNA folding patterns
The DNA molecule inside the nucleus of any human cell is more than six feet long. To fit into such a small space, it must fold into precise loops that also govern how genes are turned on or off. New research indicates that 'jumping genes' play a surprising role in stabilizing the 3D folding patterns of the DNA molecule inside the cell's nucleus.
21h
Blue-emitting diode demonstrates limitations and promise of perovskite semiconductors
Halide perovskites have garnered attention because they're highly efficient at capturing energy in solar cells and efficient emitters in diodes. But researchers failed at making perovskite LEDs that emit blue light. Chemists succeeded, but X-ray studies of the LED's structure show that it's very sensitive to temperature, humidity and chemical environment. Hence environmental and chemical control i
21h
Early life adversity and opioid addiction
Individuals with a history of early life adversity (ELA) are disproportionately prone to opioid addiction. A new study reveals why. The study examines how early adversities interact with factors such as increased access to opioids to directly influence brain development and function, causing a higher potential for opioid addiction.
21h
'Jumping genes' help stabilize DNA folding patterns
The DNA molecule inside the nucleus of any human cell is more than six feet long. To fit into such a small space, it must fold into precise loops that also govern how genes are turned on or off. New research indicates that 'jumping genes' play a surprising role in stabilizing the 3D folding patterns of the DNA molecule inside the cell's nucleus.
22h
Republicans Are Making a Kafkaesque Argument
Friday, as Democratic managers prepared their final day of impeachment arguments in the Senate, reports of a new recording began to emerge. According to the reports , Igor Fruman—a former associate of Rudy Giuliani who is now under federal indictment—recorded a conversation with President Donald Trump in April 2018, in which Trump said that he wanted the then–U.S. ambassador to Ukraine, Marie Yov
22h
Valve Swears 'Half-Life: Alyx' Is Actually, Legitimately Done
Lots of high-profile games have been delayed lately. Doesn't look like Valve's upcoming VR experience is going to be one of them.
22h
Can lithium halt progression of Alzheimer's disease?
In a new study, a team of researchers at McGill University has shown that, when given in a formulation that facilitates passage to the brain, lithium in doses up to 400 times lower than what is currently being prescribed for mood disorders is capable of both halting signs of advanced Alzheimer's pathology and of recovering lost cognitive abilities.
22h
Planes dump fuel into the sky more than you'd expect. Here's why they do it.
Not all airliners can dump fuel as needed, but big ones like the A380 or Boeing 777 can. (Photo by G-R Mottez on Unsplash/) Jet fuel is not supposed to rain down from the sky, but that's what happened last week in Cudahy, California. The incident occurred during the initial part of Delta Flight 89's trip from LA to Shanghai on January 14. When the aircraft was about 70 miles away from LAX, the fl
22h
Snake Venom Gland Organoids Produce Functional Toxins
Stem cells from nine snake species respond to tissue culturing techniques previously used only on mouse and human stem cells.
22h
A New Blood Test Helps Predict the Onset of Menopause
The new test, based on a hormone, is more accurate than previous methods of predicting when periods will stop.
22h
Scientists Still Mystified by Physics-Defying Particles in Antarctica
The Standard Model of particle physics has led scientists to many important discoveries, but this framework has strained under the weight of recent discoveries. It can't explain the observed amount of dark matter in the universe, the Higgs mechanism, or gravity as described by general relativity. Now, scientists are puzzling over a phenomenon that seems to blow an even bigger hole in the Standard
22h
Don't just fake it: 'Deep acting' emotions pays off at work
Faking positive emotions for coworkers can do more harm than good, researchers say. Making an effort to actually feel them, however, can produce personal and professional benefits. For a new study, researchers analyzed two types of emotion regulation that people use at work: surface acting and deep acting. "Surface acting is faking what you're displaying to other people. Inside, you may be upset
23h
Hear an Ancient Mummy "Talk" Using a 3D-Printed Vocal Tract
Voice From the Past A mummified Egyptian priest just "spoke" for the first time in 3,000 years. Using Computed Tomography (CT) scans of the mummy Nesyamun's larynx and throat, a team of British researchers was able to 3D-print a replica of his vocal tract — and then use it to hear what his voice would've sounded like when he was alive. Mummy's Mouth For their study , which was published on Thursd
23h
Dark Energy Skeptics Raise Concerns, But Remain Outnumbered
Space Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground. 01/24/2020 Ramin Skibba, Contributor To read more…
23h
A Historic Quarantine
A construction team is racing to build a new, 1,000-bed hospital in the next six days. As a virus spreads through one of the world's largest cities, no one is allowed to leave. When the count of the dead in Wuhan, China, reached 15 yesterday, government officials declared a quarantine. Trains and public transit came to a halt, and air travel was canceled. Residents were urged to stay at home, and
23h
'Jumping genes' help stabilize DNA folding patterns
"Jumping genes"—bits of DNA that can move from one spot in the genome to another—are well-known for increasing genetic diversity over the long course of evolution. Now, new research at Washington University School of Medicine in St. Louis indicates that such genes, also called transposable elements, play another, more surprising role: stabilizing the 3-D folding patterns of the DNA molecule inside
23h
'Jumping genes' help stabilize DNA folding patterns
"Jumping genes"—bits of DNA that can move from one spot in the genome to another—are well-known for increasing genetic diversity over the long course of evolution. Now, new research at Washington University School of Medicine in St. Louis indicates that such genes, also called transposable elements, play another, more surprising role: stabilizing the 3-D folding patterns of the DNA molecule inside
23h
The skin of the earth is home to pac-man-like protists
The most common groups of soil protists behave exactly like Pac-Man: moving through the soil matrix, gobbling up bacteria according to a new article in Science Advances.
23h
Fonts in campaign communications have liberal or conservative leanings
'This research is of interest to anyone who cares about political communications, and the results have clear implications for political campaign professionals,' said Haenschen. 'When you're choosing a candidate's visual identity, you need to consider how people perceive that font.'
23h
Science Positions Increasingly Abandoned Under Trump
In government agencies, 20 percent of high-level science appointments are vacant, The Washington Post reports.
23h
This Boeing Satellite May Be About to Explode
Satellite Explosion AT&T-owned satellite TV company DirecTV has asked the Federal Communications Commission (FCC) for permission to "conduct emergency operations" to move a satellite that may be about to blow up, Space News reports . The fear is that a battery malfunction might cause the Boeing-built satellite to explode. An explosion in an already-busy orbit chock full of other satellites could
23h
FN-afgørelse afviser én klimaflygtning – men åbner døren for de næste
Sag om familiefar fra oversvømmet øgruppe kan få betydning for millioner af klimaflygtninge.
23h
China Has Now Quarantined 35 Million People to Prevent Pandemic
As of Friday, eight more Chinese cities have been placed on a travel lockdown — bringing the total to 12 — in an attempt to quarantine the coronavirus that appeared in Wuhan last month. As a result, public transportation has been suspended in towns that contain over half the population of China's Hubei Province, according to The New York Times . Now 35 million Hubei Province residents are effecti
23h
UCI researchers identify a connection between early life adversity and opioid addiction
Individuals with a history of early life adversity (ELA) are disproportionately prone to opioid addiction. A new UCI-led study reveals why. Published in Molecular Psychiatry, the study titled, "On the early life origins of vulnerability to opioid addiction," examines how early adversities interact with factors such as increased access to opioids to directly influence brain development and function
23h
How the North Korean hackers behind WannaCry got away with a stunning crypto-heist
The so-called Lazarus group has used elaborate phishing schemes and cutting-edge money-laundering tools to steal money for Kim Jong-un's regime.
23h
What you need to know about the Wuhan coronavirus
Nature, Published online: 24 January 2020; doi:10.1038/d41586-020-00209-y How science can help control the outbreak
23h
How China's slow response aided coronavirus outbreak
Controls on information may have hampered efforts to curb spread of disease
23h
Novel DNA-Sensing Pathway Found in Human Cells, Absent in Mice
This previously unknown mechanism for spotting foreign genetic material in the cytoplasm launches antiviral defenses even when the well-known immune mediator STING is absent.
23h
Black youth have some of the highest suicide rates in America, and we're only beginning to understand why
Black youth are often less likely to share their thoughts of loneliness or depression than other youth, which could be a reason for higher rates of death by suicide. (Motortion Films/Shutterstock.com/) Rheeda Walker is a professor of psychology at the University of Houston. This story originally featured on The Conversation . Teen suicide rates among black youth are increasing . In 2016 and again
23h
We can't trust the billionaires of Davos to solve a climate crisis they created | Payal Parekh
It's time to turn away from the World Economic Forum and its mass-polluting 'affiliates'. We need new, radical solutions • Payal Parekh is an international climate activist This week, among the private chalets and deep snow of Davos, the world's leading politicians and businesspeople have been spending their time at the World Economic Forum (WEF), and they've been talking about the climate crisis.
1d
High air pollution exposure in 1-year-olds linked to structural brain changes at age 12
A new study suggests that significant early childhood exposure to traffic-related air pollution (TRAP) is associated with structural changes in the brain at the age of 12.
1d
Blue-emitting diode demonstrates limitations and promise of perovskite semiconductors
Halide perovskites have garnered attention because they're highly efficient at capturing energy in solar cells and efficient emitters in diodes. But researchers failed at making perovskite LEDs that emit blue light. UC Berkeley chemists succeeeded, but X-ray studies of the LED's structure show that it's very sensitive to temperature, humidity and chemical environment. Hence environmental and chemi
1d
A new twist on quantum communication in fiber
New research done at the University of the Witwatersrand in Johannesburg, South Africa, and Huazhang University of Science and Technology in Wuhan, China, has exciting implications for secure data transfer across optical fiber networks.
1d
Going with the flow: New insights into mysterious fluid motions
Scientists gain a deeper understanding of turbulent and transitional pipe flows.
1d
Chicago Woman Is Second Patient in U.S. With Coronavirus
Federal health officials are monitoring 63 other people in 22 states for signs of infection.
1d
Maps and community are key to flood management
Community collaboration and high-resolution maps are key to effective flood risk management, according to a new study. Researchers report a new process called "collaborative flood modeling" can successfully address the increasing threat of rising waters due to climate change, aging infrastructure, and rapid urban development. "The impacts of flooding continue to escalate in the US and around the
1d
The new coronavirus: is China moving quickly enough?
Beijing has locked down Wuhan, but the disease will continue to test Xi Jinping's ability to manage a crisis
1d
Some shark species have evolved to walk
Living off Australia and New Guinea are at least nine species of walking sharks. Using fins as legs, they prowl coral reefs at low tide. The sharks are small, don't be frightened. None Natural selection takes time. According to the fossil record, sharks, for example, have been essentially the same for hundreds of millions of years. But something's up lately, and by "lately" we mean the last nine
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Blue-emitting diode demonstrates limitations and promise of perovskite semiconductors
University of California, Berkeley, scientists have created a blue light-emitting diode (LED) from a trendy new semiconductor material, halide perovskite, overcoming a major barrier to employing these cheap, easy-to-make materials in electronic devices.
1d
A new twist on quantum communication in fiber
New research done at the University of the Witwatersrand in Johannesburg, South Africa, and Huazhang University of Science and Technology in Wuhan, China, has exciting implications for secure data transfer across optical fiber networks. The team have demonstrated that multiple quantum patterns of twisted light can be transmitted across a conventional fiber link that, paradoxically, supports only o
1d
Going with the flow: New insights into mysterious fluid motions
Water issuing from an ordinary faucet tells a complex tale of its journey through a pipe. At high velocities, the faucet's gushing stream is turbulent: chaotic, disorderly—like the crash of ocean waves.
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Mathematicians have solved traffic jams, and they're begging cities to listen. Most traffic jams are unnecessary, and this deeply irks mathematicians who specialize in traffic flow.
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Nano-thin flexible touchscreens could be printed like newspaper: Researchers have developed an ultra-thin and ultra-flexible electronic material for the touchscreens of the future. The technology is 100 times thinner than existing touchscreen materials and so pliable it can be rolled up like a tube.
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Four graphs that suggest we can't blame climate change on solar activity. Solar activity has previously been linked to temperature and is sometimes blamed for climate change. But a new analysis provides evidence for why this isn't the case.
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Nuclear waste recycled into diamond batteries with 'near-infinite power'
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Like It or Not, Automation Is Coming – Scientific American Blog Network – We should embrace its benefits
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London facial recognition: Metropolitan police announces new deployment of cameras
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Several biotech firms announce emergency plans to develop vaccine for Wuhan coronavirus
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London police set to introduce facial recognition system its own research says is inaccurate in 81% of cases.
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LA Sanitation commits to 100 percent electric fleet by 2035
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NASA returns to Moon first with Robots. Along with Mars, robots will soon control twice the celestial bodies Humans do.
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The western United States has experienced such intense droughts over the past decade that technical descriptions are becoming inadequate. In many places, conditions are rocketing past "severe," through "extreme," all the way to "exceptional drought."
submitted by /u/Wagamaga [link] [comments]
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The Fermi Paradox & Virtual Worlds: Colonizing Inner Space
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A new stretchable battery can power wearable electronics
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Microsoft's Moonshot Plan to Reverse Its Lifetime CO2 Emissions by 2050
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European envoy calls for Western unity against Chinese artificial intelligence
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Your manager, or 69% of what that person does, will be automated, says Gartner | ZDNet
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1d
On the design of precision nanomedicines
Tight control on the selectivity of nanoparticles' interaction with biological systems is paramount for the development of targeted therapies. However, the large number of tunable parameters makes it difficult to identify optimal design "sweet spots" without guiding principles. Here, we combine superselectivity theory with soft matter physics into a unified theoretical framework and we prove its
1d
Community detection in networks without observing edges
We develop a Bayesian hierarchical model to identify communities of time series. Fitting the model provides an end-to-end community detection algorithm that does not extract information as a sequence of point estimates but propagates uncertainties from the raw data to the community labels. Our approach naturally supports multiscale community detection and the selection of an optimal scale using m
1d
Small-scale universality in the spectral structure of transitional pipe flows
Turbulent flows are not only everywhere, but every turbulent flow is the same at small scales. The extraordinary simplification engendered by this "small-scale universality" is a hallmark of turbulence theory. However, on the basis of the restrictive assumptions invoked by A. N. Kolmogorov to demonstrate this universality, it is widely thought that only idealized turbulent flows conform to this f
1d
Can polarity-inverted membranes self-assemble on Titan?
The environmental and chemical limits of life are two of the most central questions in astrobiology. Our understanding of life's boundaries has implications on the efficacy of biosignature identification in exoplanet atmospheres and in the solar system. The lipid bilayer membrane is one of the central prerequisites for life as we know it. Previous studies based on molecular dynamics simulations h
1d
Environmental and genetic determinants of plasmid mobility in pathogenic Escherichia coli
Plasmids are key vehicles of horizontal gene transfer (HGT), mobilizing antibiotic resistance, virulence, and other traits among bacterial populations. The environmental and genetic forces that drive plasmid transfer are poorly understood, however, due to the lack of definitive quantification coupled with genomic analysis. Here, we integrate conjugative phenotype with plasmid genotype to provide
1d
A highly scalable dielectric metamaterial with superior capacitor performance over a broad temperature
Although many polymers exhibit excellent dielectric performance including high energy density with high efficiency at room temperature, their electric and dielectric performance deteriorates at high temperatures (~150°C). Here, we show that nanofillers at very low volume content in a high-temperature (high–glass transition temperature) semicrystalline dipolar polymer, poly(arylene ether urea), ca
1d
Bioinspired structural color patch with anisotropic surface adhesion
Patch plays an important role in clinical medicine for its broad applications in tissue repair and regeneration. Here, inspired by the diverse adhesion, anti-adhesion, and responsive structural color phenomena in biological interfaces, we present a hybrid hydrogel film with an adhesive polydopamine (PDA) layer and an anti-adhesive poly(ethylene glycol) diacrylate (PEGDA) layer in an inverse opal
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The global-scale distributions of soil protists and their contributions to belowground systems
Protists are ubiquitous in soil, where they are key contributors to nutrient cycling and energy transfer. However, protists have received far less attention than other components of the soil microbiome. We used amplicon sequencing of soils from 180 locations across six continents to investigate the ecological preferences of protists and their functional contributions to belowground systems. We co
1d
Multidimensional entanglement transport through single-mode fiber
The global quantum network requires the distribution of entangled states over long distances, with substantial advances already demonstrated using polarization. While Hilbert spaces with higher dimensionality, e.g., spatial modes of light, allow higher information capacity per photon, such spatial mode entanglement transport requires custom multimode fiber and is limited by decoherence-induced mo
1d
Structural and spectral dynamics of single-crystalline Ruddlesden-Popper phase halide perovskite blue light-emitting diodes
Achieving perovskite-based high–color purity blue-emitting light-emitting diodes (LEDs) is still challenging. Here, we report successful synthesis of a series of blue-emissive two-dimensional Ruddlesden-Popper phase single crystals and their high–color purity blue-emitting LED demonstrations. Although this approach successfully achieves a series of bandgap emissions based on the different layer t
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Direct observation of glucose fingerprint using in vivo Raman spectroscopy
Noninvasive blood glucose monitoring has been a long-standing dream in diabetes management. The use of Raman spectroscopy, with its molecular specificity, has been investigated in this regard over the past decade. Previous studies reported on glucose sensing based on indirect evidence such as statistical correlation to the reference glucose concentration. However, these claims fail to demonstrate
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Weak-field induced nonmagnetic state in a Co-based honeycomb
Layered honeycomb magnets are of interest as potential realizations of the Kitaev quantum spin liquid (KQSL), a quantum state with long-range spin entanglement and an exactly solvable Hamiltonian. Conventional magnetically ordered states are present for all currently known candidate materials, however, because non-Kitaev terms in the Hamiltonians obscure the Kitaev physics. Current experimental s
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Cargo capture and transport by colloidal swarms
Controlling active colloidal particle swarms could enable useful microscopic functions in emerging applications at the interface of nanotechnology and robotics. Here, we present a computational study of controlling self-propelled colloidal particle propulsion speeds to cooperatively capture and transport cargo particles, which otherwise produce random dispersions. By sensing swarm and cargo coord
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Large-scale synthesis of crystalline g-C3N4 nanosheets and high-temperature H2 sieving from assembled films
Poly(triazine imide) (PTI), a crystalline g-C 3 N 4 , hosting two-dimensional nanoporous structure with an electron density gap of 0.34 nm, is highly promising for high-temperature hydrogen sieving because of its high chemical and thermal robustness. Currently, layered PTI is synthesized in potentially unsafe vacuum ampules in milligram quantities. Here, we demonstrate a scalable and safe ambient
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Inside Dubai's Quest to be the First Blockchain-Powered City
Disclaimer: This article was originally published on the Arabic version of the Futurism website, Mostaqbal. It has been edited for clarity and length. Futurism partners with, and receives funding from, the Dubai Future Foundation. As a part of its digital transformation efforts, the United Arab Emirates (UAE) has capitalized on blockchain technology to transform government transactions on the fed
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Dark Energy Skeptics Raise Concerns, But Remain Outnumbered
Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground. supernova-2.jpg Spiral galaxy NGC 5714. In 2003, a faint supernova (not visible in this later picture) appeared about 8000 light-years below the central bulge of NGC 5714. Image credits: European Space Agency via Flickr Rights information: CC BY 2.0 Space Friday,
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Coronavirus is latest round in an age-old struggle
Mistrust and realpolitik complicate efforts to protect public health
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CDC Confirms Second Chinese Virus Case in the US
The Centers for Disease Control and Prevention (CDC) announced Friday that a second case of 2019-nCoV coronavirus — currently sweeping through China — has been confirmed inside the US. The patient was making her way back to Chicago from Wuhan, the epicenter of the outbreak , in mid-January. She is now in stable condition and doing well, Scientific American reports . Almost 900 cases of the virus
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'Jumping genes' help stabilize DNA folding patterns
The DNA molecule inside the nucleus of any human cell is more than six feet long. To fit into such a small space, it must fold into precise loops that also govern how genes are turned on or off. New research at Washington University School of Medicine in St. Louis indicates that 'jumping genes' play a surprising role in stabilizing the 3D folding patterns of the DNA molecule inside the cell's nucl
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The key to cleaning copper cookware is probably in your fridge
With these tips, you can dump out all those old corks and finally use that pan for its true purpose: making actual food. (Tyler Delgado via Unsplash/) Copper pots have long been considered the Ferraris (or Louis Vuittons, if that's more your thing) of the cookware world. They come with a high price tag and look stylish hanging in a kitchen, but are also durable and prized for conducting heat more
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Shaping the social networks of neurons
The three proteins teneurin, latrophilin and FLRT hold together and bring neighboring neurons into close contact, enabling the formation of synapses and the exchange of information between the cells. In the early phase of brain development, however, the interaction of the same proteins leads to the repulsion of migrating nerve cells, as researchers from the Max Planck Institute of Neurobiology and
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TV provider shifting satellite to high orbit over explosion fears
US authorities said Friday they had granted permission to a TV provider to urgently lift a four-ton (3,600-kilogram) satellite to a so-called "graveyard orbit" over fears a battery fault may soon cause it to explode.
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Principles for a green chemistry future
In the most recent issue of the academic journal Science, the case is made for a future where the materials and chemicals that make up the basis of our society and our economy are healthful rather than toxic, renewable rather than depleting, and degradable rather than persistent.
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Shaping the social networks of neurons
The three proteins teneurin, latrophilin and FLRT hold together and bring neighboring neurons into close contact, enabling the formation of synapses and the exchange of information between the cells. In the early phase of brain development, however, the interaction of the same proteins leads to the repulsion of migrating nerve cells, as researchers from the Max Planck Institute of Neurobiology and
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With a protein 'delivery,' parasite can suppress its host's immune response
Toxoplasma gondii is best known as the parasite that may lurk in a cat's litter box. Nearly a third of the world's population is believed to live with a chronic Toxoplasma infection. It's of greatest concern, however, to people with suppressed immune systems and to pregnant women, who can pass the infection to their fetuses.
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Dance of the honey bee reveals fondness for strawberries
Bees are pollinators of many wild and crop plants, but in many places their diversity and density is declining. A research team from the Universities of Göttingen, Sussex and Würzburg has now investigated the foraging behaviour of bees in agricultural landscapes. To do this, the scientists analysed the bees' dances, which are called the "waggle dance." They found out that honey bees prefer strawbe
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Crab larvae off Oregon and Washington suffering shell damage from ocean acidification, new research shows
Ocean acidification is damaging the shells of young Dungeness crab in the Northwest, an impact that scientists did not expect until much later this century, according to new research.
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With a protein 'delivery,' parasite can suppress its host's immune response
Toxoplasma gondii is best known as the parasite that may lurk in a cat's litter box. Nearly a third of the world's population is believed to live with a chronic Toxoplasma infection. It's of greatest concern, however, to people with suppressed immune systems and to pregnant women, who can pass the infection to their fetuses.
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Dance of the honey bee reveals fondness for strawberries
Bees are pollinators of many wild and crop plants, but in many places their diversity and density is declining. A research team from the Universities of Göttingen, Sussex and Würzburg has now investigated the foraging behaviour of bees in agricultural landscapes. To do this, the scientists analysed the bees' dances, which are called the "waggle dance." They found out that honey bees prefer strawbe
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Increasing opportunities for sustainable behavior
To mitigate climate change and safeguard ecosystems, we need to make drastic changes in our consumption and transport behaviors. A new IIASA study shows how even minor changes to available infrastructure can trigger tipping points in the collective adoption of sustainable behaviors.
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Crab larvae off Oregon and Washington suffering shell damage from ocean acidification, new research shows
Ocean acidification is damaging the shells of young Dungeness crab in the Northwest, an impact that scientists did not expect until much later this century, according to new research.
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This scientist hopes to test coronavirus drugs on animals in locked-down Wuhan
Nature, Published online: 24 January 2020; doi:10.1038/d41586-020-00190-6 Structural biologist Rolf Hilgenfeld has been working on coronavirus treatments since the SARS outbreak.
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The battle for ethical AI at the world's biggest machine-learning conference
Nature, Published online: 24 January 2020; doi:10.1038/d41586-020-00160-y Bias and the prospect of societal harm increasingly plague artificial-intelligence research — but it's not clear who should be on the lookout for these problems.
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Wuhan scientists: What it's like to be on lockdown
Nature, Published online: 24 January 2020; doi:10.1038/d41586-020-00191-5 Measures to contain a new virus's spread have cut off the city's researchers.
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Patreon Can't Solve Its Porn Pirate Problem
Two years ago, Patreon promised to crack down on piracy site Yiff.Party. Now it says its hands are tied.
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Lessons from Sars outbreak help in race for coronavirus vaccine
Companies aim to have vaccine in production within 16 weeks before entering testing stage There are no vaccines or treatments approved for the new coronavirus, but the race is on to develop one. This week the Coalition for Epidemic Preparedness Innovations (Cepi) announced it would commit $11m (£8.4m) to three programmes led by the companies Inovio Pharmaceuticals, Moderna and the University of Q
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23andMe Cuts 100 Jobs as DNA Privacy Concerns Mount
Deoxyribonucleic acid (DNA) molecule, illustration. DNA testing used to be prohibitively expensive for the average consumer, but companies like 23andMe have made DNA testing kits an impulse buy. After enjoying years of modest growth, 23andMe has seen its sales drop in recent quarters. CEO Anne Wojcicki confirms the company is laying off 100 people , or about 14 percent of its workforce. She specu
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Siri for Self-Drive Cars: Genius or Patenting the Obvious?
You knew Apple wasn't going to stay out of the car businesses. Their latest plan is not to build a complete car – it takes skill Apple doesn't yet have in-house – but to be the concierge and brains of a self-driving car. In other words, Siri for Everything in an autonomous or semi-autonomous car, and not just Siri/CarPlay for music and navigation we have today. Details are in Apple's patent appli
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E.P.A. Is Letting Cities Dump More Raw Sewage Into Rivers for Years to Come
The agency is allowing cities to delay or otherwise change federally imposed fixes to their sewer systems.
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30,000 Marijuana Buyers' Personal Info Exposed in Data Breach
Data Discovered A team of data privacy researchers discovered a major breach in a platform used by multiple marijuana dispensaries in the United States to manage sales. According to the researchers' report , the breach allowed them to access information about more than 30,000 buyers, including scans of government-issued photo IDs and details about the amount and types of cannabis products custome
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Opioid dependence found to permanently change brains of rats
Approximately one-quarter of patients who are prescribed opioids for chronic pain misuse them, with five to 10 percent developing an opioid use disorder or addiction. In a new study, UC San Diego researchers found that opioid dependence produced permanent changes in the brains of rats.
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Size matters! The neuroanatomy of trigeminal neuralgia´s treatment response
An MRI study investigating the influence of changes in the neuroanatomy of trigeminal neuralgia found that both trigeminal nerve and brain structures such as the hippocampus can predict the surgical treatment outcome. Greater trigeminal nerve and hippocampus volumes were more associated with non-responders patients.
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Advanced practice registered nurses to have a greater role in national response to opioid epidemic
As we enter a new year and a new decade, many states have enacted legislation affecting the roles of advanced practice registered nurses (APRNs) in terms of practice authority, reimbursement, and prescriptive authority, according to the 32nd Annual Legislative Update in the January issue of The Nurse Practitioner, published by Wolters Kluwer.
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Assessing risk of chemicals to wildlife is huge challenge that requires new approach
Computer modelling and long-term ecological monitoring will be essential to assess the environmental risks of the rapidly growing number of chemicals across the world, according to a new review paper in the journal Science. The analysis has been led by the UK Centre for Ecology & Hydrology.
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Plastics Plants Are Poised to Be the Next Big Carbon Superpolluters
A boom in petrochemical plants driven by cheap natural gas could lock in greenhouse emissions for decades to come — Read more on ScientificAmerican.com
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Industry says voluntary plan to curb antibiotic pollution is working, but critics want regulation
Leaks from manufacturing plants focus of debate
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US confirms second coronavirus case
Patient in Chicago hospitalised but authorities say risk to US public is still low
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Investors wonder if coronavirus will shatter calm
Fears increase that deadly virus could hit global growth and prompt a surge in volatility
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Alibaba & coronavirus: mask task
Ecommerce giant should reap long-term benefits from its warning against profiteering by mask sellers
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The 'place' of emotions
The entire set of our emotions is mapped in a small region of the brain, a 3 centimeters area of the cortex, according to a study conducted at the IMT School for Advanced Studies Lucca, Italy. The discovery of this 'map' of emotions comes from a work conducted by the Molecular Mind Laboratory (MoMiLab) directed by Professor Pietro Pietrini, and recently published in Nature Communications.
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Discovery sheds new light on how cells move
Through experiments, UW-Madison researchers found that the force each cell applies to the surface beneath it — in other words, traction — is the dominant physical factor that controls cell shape and motion as cells travel as a group.
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Daily briefing: First evidence of how stress turns hair grey
Nature, Published online: 24 January 2020; doi:10.1038/d41586-020-00204-3 In mice, acute stress depletes the stem cells that give the hairs their colour. Plus, the first genomes from ancient West African humans and why the Wuhan virus probably didn't come from snakes.
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CDC Reports Second U.S. Case of Novel Virus Spreading in China
The patient had recently returned to Chicago from Wuhan — Read more on ScientificAmerican.com
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Top stories: A push to build affordable electron microscopes, coronavirus is not a global emergency yet, and the voice of an ancient mummy
This week's top Science news
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Study: Commercial air travel is safer than ever
It has never been safer to fly on commercial airlines, according to a new study by an MIT professor that tracks the continued decrease in passenger fatalities around the globe.
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Shaping the social networks of neurons
Identification of a protein complex that attracts or repels nerve cells during development.
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30-year study identifies need of disease-modifying therapies for maple syrup urine disease
A new study analyzes 30 years of patient data and details the clinical course of 184 individuals with genetically diverse forms of Maple Syrup Urine Disease (MSUD), which is among the most volatile and dangerous inherited metabolic disorders.
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Advancing frozen food safety: UGA evaluates environmental monitoring programs
Arlington, Va. – New research funded by the Frozen Food Foundation evaluates current environmental monitoring practices being implemented across the frozen food industry to prevent and control Listeria monocytogenes (Lm). The findings were published in the Jan. 24, 2020, Journal of Food Protection®.
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New research shows more people knowingly use fentanyl
Fentanyl use by people who use drugs has doubled since 2015, and two-thirds of people are aware they've taken it, finds new research out of British Columbia, the Canadian province that has experienced the highest number of illicit drug toxicity deaths as a result of the opioid crisis.
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