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Nyheder2018december16

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A nuclear-powered 'tunnelbot' to search for life on Jupiter's icy moon Europa

Between 1995 and 2003, NASA's Galileo spacecraft made several flybys of Jupiter's moon, Europa. Several findings from observations of the moon pointed to evidence of a liquid ocean beneath Europa's icy surface. The ocean, researchers believe, could harbor microbial life, or evidence of now-extinct microbial life.

4h

Confirmed! Those LIGO Gravitational Wave Signals Were Real

Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.

5h

Mens vi venter på tyskerne gør Femern klar til start

Byggestarten på Femer­n­tunnelen er blevet udskudt igen og igen. Men i Rødby­havn er ingeniører, entreprenører og ­arkæologer allerede i gang med at give det 52,6 mia. kr. dyre byggeprojekt en flyvende start.

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LATEST

Study shows magnesium optimizes vitamin D status

A randomized trial indicates that magnesium optimizes vitamin D status, raising it in people with deficient levels and lowering it in people with high levels.

8min

Foxes in the city: Citizen science helps researchers to study urban wildlife

A team of researchers led by wildlife ecologists analyzed over 1,100 fox sightings made by the public as part of the citizen science project StadtWildTiere. The joint team of researchers has now shown that foxes prefer specific city areas and environments. The study also revealed that reports of fox sightings correlated with the educational level of the population.

8min

Scientists create genomic resource to explore biological underpinnings of brain disorders

Scientists have developed a model of unprecedented sophistication that relates variations in DNA and gene activity to the risk of brain disorders.

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Sir David Weatherall obituary

Physician, scientist and medical researcher who focused on thalassaemia, a group of inherited blood conditions The physician, scientist and teacher David Weatherall, who has died aged 85, discovered most of what we know about thalassaemia , a group of inherited blood conditions that affect 1-2% of the world’s population. Thanks to genetic techniques developed by Weatherall, the incidence has been

18min

Can Art Solve the Hard Problem?

A play dramatizes the deepest of all mysteries, the mind–body problem — Read more on ScientificAmerican.com

44min

Geneticists make new discovery about how a baby's sex is determined

Medical researchers have made a new discovery about how a baby's sex is determined: it's not just about the X-Y chromosomes, but involves a 'regulator' that increases or decreases the activity of genes which decide if we become male or female.

1h

Nations at climate talks back universal emissions rules

Nearly 200 countries at the U.N. climate talks have agreed upon universal, transparent rules on how nations can cut greenhouse gas emissions and curb global warming, putting the principles of the 2015 Paris climate accord into action.

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Medium-scale farms are on the rise in Africa. Why this is good news

Driven by population growth and growing land scarcity, most African farm households are witnessing the gradual sub-division of their land. Over time farms are getting smaller and smaller. Today, over 80% of farms in relatively densely populated countries – like Kenya, Ethiopia, Malawi and Rwanda are smaller than one hectare. Because they're so small, few can generate enough income to keep farmers

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Researchers find some cider makers add unneeded sugar

It's the holiday season and the time of year when there are plenty of libations at nearly every event and or celebration. However, you may not be aware of all the ingredients in your favorite libation, especially if that drink is apple cider.

2h

Rare-earth elements discovered in Georgia kaolin mines, study finds

The high-density minerals in the Georgia kaolin mines are potential sources of rare-earth elements, including the heavy rare-earth elements that are in high demand for many important uses and are mostly imported to the United States from China, according to a study led by Georgia State University and Thiele Kaolin Co.

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Climate and vegetation shape wildfire risk in Hawai'i

A new research paper by Dr. Clay Trauernicht is the first study to link climate change to increasing wildfire probability in Hawai'i, and one of the few that looks at this question for tropical regions more broadly. "Fire in tropical ecosystems is driven by cycles of wet and dry periods, which makes it harder to pin to climate change than in temperate areas where longer summertime 'fire seasons' p

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Is increasing artificial light at night a danger to coral reefs?

The potentially damaging effects of manmade light at night on the reproduction of reef corals is the subject of new research involving Ocean and Earth Science researchers from the University of Southampton.

2h

Young children make friends faster than teenagers when they move into more affluent neighborhoods

Elementary school children who move from low-income to higher-income neighborhoods form new friendships faster than teenagers, according to a newly released study conducted by a Rice University researcher.

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Hubble goes deep

This image from the Hubble Deep UV (HDUV) Legacy Survey encompasses 12,000 star-forming galaxies in a part of the constellation Fornax known as the GOODS-South field. With the addition of ultraviolet light imagery, astronomers using the NASA/ESA Hubble Space Telescope have captured the largest panoramic view of the fire and fury of star birth in the distant universe.

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Could Life on Mars Be Lurking Deep Underground?

To find life on Mars, scientists may need to "go deep."

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Aleksander Madry on building trustworthy artificial intelligence

Machine learning algorithms now underlie much of the software we use, helping to personalize our news feeds and finish our thoughts before we're done typing. But as artificial intelligence becomes further embedded in daily life, expectations have risen. Before autonomous systems fully gain our confidence, we need to know they are reliable in most situations and can withstand outside interference;

2h

How to shovel snow safely

DIY Save your back while digging yourself out Snow is magical, but shoveling the slush off your driveway and sidewalk? Not so much. This winter, follow these tips to shovel snow without hurting yourself.

2h

Time Travel Is Possible — But Only If You Have an Object With Infinite Mass

Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.

2h

Salmon Fishing on the Homestead | Alaska: The Last Frontier

With Winter approaching, Jane and Atz Lee are out salmon fishing on the Homestead. Stream Full Episodes of Alaska: The Last Frontier: https://www.discovery.com/tv-shows/alaska-the-last-frontier/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/AlaskaTLF/ https://www.facebook.com/Discovery Follow on Twitter: https://twitter.com/AlaskaTLF https:

3h

NASA's Insight Lander on Mars Spotted from Space

NASA's Mars Reconnaissance Orbiter photographed the InSight lander, as well as the hardware that helped the stationary robot ace its Nov. 26 touchdown on the equatorial plain known as Elysium Planitia.

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Letters: ‘I’d Been Mommy-Tracked. I Felt Humiliated.’

It’s Almost Impossible to Be a Mom in Television News Earlier this month, Julianna Goldman described the many structural challenges facing mothers who work as TV-news correspondents. “Retaining moms in TV news matters not just for the moms, but for audiences, too,” she wrote. “The more women there are in TV news—from the top on down—the better and more diverse stories there are for the public to

3h

Sam Lipsyte’s Lame Send-up of a Guru and His Acolytes

Hanna Barczyk The Archer’s Paradox is a curiosity of physics according to which an arrow, if it flew straight, would miss its target. The path from bow to bull’s-eye twists and curves, imperceptibly but inevitably. Archery is the source of a great many metaphors in Hark , Sam Lipsyte ’s new novel. (The word metaphor is the source of a self-conscious groaner of a pun— What’s a metaphor? It’s for c

3h

Ingen gaveideer? Her er tre juleoverraskelser, videnskaben har muliggjort

Gennembrud på gennembrud har i de senere år gjort en række teknologier så billige, at de kan finde vej ind under juletræet.

3h

Inside Elon Musk’s Production Hell and More This Week in Cars

We go deep into the Tesla CEO’s very difficult past few years, hop aboard a self-driving truck, ogle Aston Martin’s hypercar, and more.

3h

Trump's 'Smocking Gun' Tweet Tops This Week’s Internet News

President Trump misspells smoking. Plus: The Washington Post adds a "Bottomless Pinocchio" rating, Theresa May cancels a Brexit vote, and more.

3h

Assigning a Value to Teamwork

Mathematician Anil Venkatesh tells us why the Shapley value is the best way to quantify everything from Security Council vetoes to video game weapons — Read more on ScientificAmerican.com

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Organisms living inside the Earth far outnumber all the humans, reveals study

Scientists found a rich ecosystem deep inside the planet. The "deep biosphere" contains mostly bacteria and microbes. The amount of life below the surface is hundreds of times greater than the combined weight of all the humans. None Much more life exists below the Earth than above it, concluded an international team of researchers from the Deep Carbon Observatory (DCO). In fact, about 16.5 to 25

3h

Oyster aquaculture limits disease in wild oyster populations

A fisheries researcher at the University of Rhode Island has found that oyster aquaculture operations can limit the spread of disease among wild populations of oysters. The findings are contrary to long-held beliefs that diseases are often spread from farmed populations to wild populations.

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10 Best Gaming Headsets: PS4, Xbox One, PC, Switch, Mobile

We picked the best gaming headsets for PS4, Xbox, Switch, PC, Mac, and mobile.

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Lab-Grown Meat Draws Big Investors — And Big Opposition

Tech startups are using animal stem cells to grow meat. Big meat companies, including Tyson and Cargill, are investing in the technology, while livestock producers are trying to fight it.

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Congo Says Baby Girl Is Youngest Survivor of Ebola Outbreak

Congolese are calling the infant named Benedicte, who was admitted to an Ebola treatment center six days after birth, the “young miracle.”

4h

Image: Giant black hole powers cosmic fountain

Before electrical power became available, water fountains worked by relying on gravity to channel water from a higher elevation to a lower one. This water could then be redirected to shoot out of the fountain and create a centerpiece for people to admire.

5h

Newly identified enzyme could play key role in childbirth and muscle diseases

Since the 1960s, scientists have known of a modification that occurs to a particular molecule in muscles, especially after exercise. What scientists haven't known is how that modification happens, or even why.

5h

A new neptune-size exoplanet

The remarkable exoplanet discoveries made by the Kepler and K2 missions have enabled astronomers to begin to piece together the history of the Earth and to understand how and why it differs from its diverse exoplanetary cousins. Two still outstanding puzzles include the differences between the formation and evolution of rocky versus non-rocky small planets, and why there seem to be a size gap with

5h

A Boost for Farmers Who Aren’t Old and White

The average American farmer, according to the most recent United States Department of Agriculture data , is white, male, and 58 years old. Just 8 percent of America’s 2.1 million farmers identify as anything other than non-Hispanic white; only 14 percent are women. And as the average age of American farmers has risen over the past 30 years , the federal government has taken small steps to address

5h

December comet brings back Rosetta memories

A special visitor is crossing the sky: Comet 46P/Wirtanen, sighted with telescopes and binoculars in recent weeks, is on the way to its closest approach to Earth this weekend, when it might become visible to the naked eye.

5h

Laser-pointing system could help tiny satellites transmit data to Earth

A new laser-pointing platform developed at MIT may help launch miniature satellites into the high-rate data game.

5h

The Reunion: a new science-fiction story about surveillance in China

Technology is making people unhinged and violent. Can an algorithm stop them?

5h

So Long, Step Count: My Brief and Sad Smartwatch Hiatus

A rash on my wrist made me consider why I've been wearing a wearable for so long.

5h

What's worse than drug addiction? The cruelty of drug treatments.

Many drug treatment centers are run as for-profit institutions. Making a buck off of treating people's addictions often runs counter to actually helping addicts. Some Chinese drug centers are experimenting with removing an addict's nucleus accumbens, which saps them of their ability to feel pleasure. The solution to drug addiction may be creating better drugs to be addicted to, says author and jo

5h

Tracking the footprints of protein synthesis

To trace which proteins are produced and when, researchers say, just follow the ribosome "footprints."

5h

Surviving one of Earth's most extreme environments

Even in Earth's most inhospitable environments, life has taken hold.

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Sometimes a failure to replicate a study isn’t a failure at all

Ego depletion is one of the most well-known concepts in social psychology. A recent study can’t confirm an old one showing it exists. Who is right? Probably everyone.

5h

Arkæolog: »Det er et fint sted, hvis man kan lide at finde spor efter gamle dage«

Jobbet som projektleder for de arkæologiske udgravninger ved Femernforbindelsen er en drømmeopgave med unikke fund og helt nye arbejdsmetoder.

6h

Lolland Kommune: »Vores strandpark bliver større end den på Amager«

Mængden af både lastbiler, skibe, tog, biler og borgere har bølget op og ned i Rødbyhavn i over 100 år. Femerntunnelen kan strande byen eller blive dens redning.

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Iværksætter om Femern-feber: »Vi er så klar til at gå i gang, at vi dirrer«

Konferencecenter, konsolideringscenter og et netværk af leverandører. Det er blot nogle af Martin Skibsteds initiativer, der er klar til Femernbyggeriet.

6h

The ‘Global Cybercrime Problem’ Is Actually the ‘Russia Problem’

A series of explosive Department of Justice filings—outside the special counsel’s probe—makes clear that Russia is a rogue state in cyberspace. Now the United States needs a credible system to take action, and to sanction Russia for its misdeeds. Consider what we learned from last month’s criminal charges filed by the Department of Justice against the “chief accountant” for Russia’s so-called tro

6h

17 Rules of Presidential Behavior From George Washington

There are moments when it is wise to look back from whence we have come. Donald Trump’s recent tantrum in the Oval Office, his symphony of tweets, and his penchant for personal attacks and questionable alliances—all echoed in the media, on Capitol Hill, and across the nation—suggest that it is worth revisiting the first president’s “firm opinion” that those who follow him are bound by duty to beh

6h

The Actor Who Takes His Characters Home

B rian Tyree Henry moves as if he’s been here before. His character on Atlanta , the Donald Glover–led FX dramedy, is a reservoir of slow-unfolding gestures, resigned shrugs, and hauntingly empty expressions. As Alfred, the despondent cousin of Earn, Glover’s ineffectual protagonist, Henry pays extraordinary attention to physicality. His maneuvers are deliberate: When Alfred finds a tenuous sort

6h

Amazon-owned Whole Foods ends partnership with Instacart

Whole Foods will no longer be working with Instacart, the grocery delivery company announced.

6h

Facebook's controversial Portal video chat device gets browser, games: It may not matter

It's been five weeks since Facebook brought its Portal to market—and, yes, another day with another privacy-related apology from the world's largest social network.

7h

'Donald' makes annual list of worst passwords of the year

Want a strong online password to protect your personal information? You should probably avoid drawing inspiration from President Donald Trump.

7h

Lossepladsernes tid er forbi

I stedet for blot at deponere affaldet på lossepladser og forpeste jord, luft og vand er mange kommuner nu i gang med at bygge store, moderne forbrændingsanlæg, der kan udnytte affaldet til fjernvarme.

8h

Virtual reality to help detect early risk of Alzheimer’s

Navigation skills tested through headsets may identify patients far earlier Scientists have found an unexpected use for virtual reality headsets: to help pinpoint people who may later develop Alzheimer’s disease. The devices, widely used by computer gamers, display images that can be used to test the navigational skills of people thought to be at risk of dementia. Those who do worse in the tests w

8h

Is Impostor Syndrome just for women? There are some men I can think of… | Catherine Bennett

It’s now become a public ritual for a successful woman to out herself for having self-doubts At around the same, distant time that I was meant to be studying comparative – animal – psychology, a couple of US psychologists, Pauline Rose Clance and Suzanne Imes, came up with something never yet observed in a herring gull, but frequently – they concluded – afflicting successful women: the Impostor P

8h

Report aims at untapped workforce for Israel's growing high-tech sector

The growth of Israel's powerful high-tech sector is not being matched by adequate increases in employee numbers, a report said Sunday, with recruitment of more women, and Arabs and ultra-Orthodox Jewish men needed.

8h

Indonesia's Soputan volcano erupts, ejecting thick ash

A volcano in central Indonesia has erupted, ejecting columns of thick ash as high as 7,500 meters (24,606 feet) into the sky.

8h

Nations agree milestone rulebook for Paris climate treaty

Nations on Sunday struck a deal to breathe life into the landmark 2015 Paris climate treaty after marathon UN talks that failed to match the ambition the world's most vulnerable countries need to avert dangerous global warming.

8h

Cambodia seizes record 3-tonne haul of African ivory

Cambodia seized more than 3.2 tonnes of elephant tusks hidden in a storage container sent from Mozambique, a customs official said Sunday, marking the country's largest ivory bust.

8h

Shenzhen, China's reform pioneer, leads tech revolution

The southern city of Shenzhen is the symbol of the transformative reforms launched by China 40 years ago: former fishing villages that morphed into a global manufacturing hub.

9h

5G: a revolution not without risks

The recent diplomatic dust-up over Chinese telecoms company Huawei, one of the leaders in developing equipment for fifth-generation mobile networks, has demonstrated that this technology which promises to enable an internet of things and self-driving vehicles also poses risks.

9h

Dutch build artificial islands to bring wildlife back

Dutch ranger Andre Donker sighs as he looks out at the rippling grey waters of the Markermeer, one of Europe's largest freshwater lakes. "Once upon a time it was teeming with fish here," he says.

9h

Executive's arrest, security worries stymie Huawei's reach

While a Huawei executive faces possible U.S. charges over trade with Iran, the Chinese tech giant's ambition to be a leader in next-generation telecoms is colliding with security worries abroad.

9h

Stephen Hawking remembered by Bernard Carr

8 January 1942 – 14 March 2018 The physicist’s former research student recalls their close relationship at Cambridge, the sheer might of his intellect, and how he once bored the great man to sleep • Nicolas Roeg by Donald Sutherland • Read the Observer’s obituaries of 2018 in full here Stephen was not so famous when I began my PhD at Cambridge in 1972, but his brilliance was already clear to his

9h

Slå ørerne ud: Er det farligt at rense ører med vatpinde?

Det er bestemt ikke ligegyldigt, hvordan du fjerner voks i ørerne, siger forskere.

11h

Vind med Ingeniørens julekalender: 16. december

Vær med i Ingeniørens julekalender 2018. Hver dag med nye præmier!

13h

Nations Agree On Rules To Put Paris Climate Agreement Into Action

Nations agreed on rules to track the promises they made to reduce emissions, but did not set new emissions reduction goals necessary to avoid the most catastrophic effects of climate change. (Image credit: Czarek Sokolowski/AP)

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Five key takeaways from climate summit

The BBC's Matt McGrath looks back at key developments at UN climate talks that have ended in Poland.

16h

Ryan Zinke Is the Blue Wave’s First Casualty

In politics, you need a good villain. It is far easier for environmentalists to rail against Donald Trump for weakening the Clean Water Act than it is to rail against Proposed Rule 83 FR 32227 . And it was far easier for Democrats to criticize Scott Pruitt—the former Environmental Protection Agency administrator who resigned in June under not so much a cloud of corruption as a thundering cumuloni

18h

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