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nyheder2019august25

Protestors in Hong Kong are destroying facial recognition towers

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

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A Single Math Model Explains Many Mysteries of Vision

The first anatomically correct model of the visual cortex seeks to capture how the brain sees the world.

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Chocolate muddles cannabis potency testing

Since the first states legalized recreational marijuana in 2012, several others have joined them, and cannabis-infused edibles, including gummy bears, cookies and chocolates, have flooded the market. But these sweet treats have created confusing results for scientists trying to analyze their potency and purity. Now researchers report that components in chocolate might be interfering with cannabis

12h

How diabetes can increase cancer risk: DNA damaged by high blood sugar

For years, scientists have been trying to solve a medical mystery: Why do people with diabetes have an increased risk of developing some forms of cancer? Today, researchers report a possible explanation for this double whammy. They found that DNA sustains more damage and gets fixed less often when blood sugar levels are high, thereby increasing cancer risk.

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Starwatch: the furthest thing you can see with the naked eye

Adjust to the dark and you can peer 2.5m years into the past to see our nearest spiral galaxy, Andromeda This week, try spotting the furthest thing are you will see with the unaided eye. The Andromeda galaxy is a collection of a trillion stars lying 2.5m light years distant. Also known as M31, it is the nearest large galaxy to the Milky Way. Once you have located this admittedly faint object, you

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Biohackers beware

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

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Human-animal hybrids: Can we justify the experiments?

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

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Global appetite for beef, soy fuels Amazon fires

submitted by /u/solar-cabin [link] [comments]

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Trump’s Two G7 Summits

At the Group of Seven meeting in Biarritz, France, there are, in effect, two different summits underway—one that’s happening in President Donald Trump’s mind, and another that is actually happening on the ground; there’s the summit Trump is trying to will into existence, and the summit unfolding in real time. To hear Trump tell it, predictions that the weekend summit would be contentious were all

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Should We Eat Less Rice?

Digging into the statistics about rice farming and climate change — Read more on ScientificAmerican.com

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The Wizard of Oz Invented the ‘Good Witch’

Whenever I introduce myself as a witch who writes about witches , conversation often turns to The Wizard of Oz , and when it does I’m always tempted to focus on the movie’s verdant villain. Many fans delight in the Wicked Witch of the West’s deranged cackle and her lust for power and ruby pumps. Even when she meets her demise at Dorothy’s hands, she goes down in style, seething: “Who would have t

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Svårt och dyrt att städa undan rymdskrot

Runt jorden snurrar idag ungefär en miljon skrotdelar i storlek 1cm och uppåt. De kommer svepande i bortåt 29.000 km/tim, och om de träffar satelliter vi behöver för till exempel kommunikationer och väderprognoser så kan dessa förstöras. Något måste göras för att städa upp. Olika idéer testas, men de är alla svåra och dyra.

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FTC, AT&T settle 2014 data-throttling lawsuit – CNET

Suit accused the carrier of deceiving unlimited-data customers when it slowed their connection speeds.

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Varm som solen: Dansk universitet installerer fusionsreaktor i kælderen

En mini-fusionsreaktor på DTU skal bidrage i jagten på en uendelig, klimavenlig energikilde.

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Plants have awareness and intelligence, argue scientists

The field of plant neurobiology studies the complex behavior of plants. Plants were found to have 15-20 senses, including many like humans. Some argue that plants may have awareness and intelligence, while detractors persist. None Do plants have feelings? Not in a poetic, metaphorical sort of way but real feelings? Can they hate, love, or be bored? If you go around plucking flowers or mowing gras

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I'm interested in a sub-field of AI but don't know what to call it.

A colleague of mine and I have recently decided to tackle a project which we think has important ramifications for the field of artificial intelligence. We're vaguely aware that relevant work has been done at places like Carnegie Mellon and are hoping to get some guidance. Our two overarching goals are to discover how models are constructed and to develop a model 'calculus' describing how an agen

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New CRISPR Method Advances the Clock for Genetic Editing

submitted by /u/izumi3682 [link] [comments]

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Nikola plans to build 700 fuel stations by 2028.

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

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Cyborgs will replace humans and remake the world, James Lovelock says

submitted by /u/solar-cabin [link] [comments]

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Heart attacks and the efficacy of polypills – a hard pill to swallow? | Letters

Dr Peter Trewby questions the risk-reduction figures of the Iran study and Oliver Lepen says the focus must be on preventing disease, not medication Your headline ( Single polypill reduces risk of heart attacks and strokes, study finds , 23 August) should really have been tempered by quoting the absolute rather than the relative risk-reduction figures. The 34% reduction in major cardiac events yo

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Citizen Science Heads Back To School 🎓

No matter what age you are, you can do real scientific research as a citizen scientist! Below, SciStarter’s editors feature 10 great citizen science projects for formal and informal science learning settings. Citizen science has been identified as an effective approach to support student learning in science by engaging students in the science practices as outlined by the Next Generation Science St

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Solar array feeds railway route in the UK

How well is the UK doing to seal a future of solar powered trains? Will connecting solar power directly to rail networks help meet a good enough share of electricity needs? Eyes are on a pilot …

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When a Still Life Comes Alive

This artist’s paintings walk among us — Read more on ScientificAmerican.com

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Skin patch could painlessly deliver vaccines, cancer medications in one minute

Melanoma is a deadly form of skin cancer that has been increasing in the U.S. for the past 30 years. Nearly 100,000 new cases of melanoma are diagnosed every year, and 20 Americans die every day from it, according to the American Academy of Dermatology. Now, researchers have developed a fast-acting skin patch that efficiently delivers medication to attack melanoma cells. The device, tested in mice

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Chocolate muddles cannabis potency testing

In 2012, Washington and Colorado became the first states to legalize recreational marijuana. Since then, several other states have joined them, and cannabis-infused edibles, including gummy bears, cookies and chocolates, have flooded the market. But these sweet treats have created major headaches for the scientists trying to analyze them for potency and contaminants. Researchers now report that co

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When a Still Life Comes Alive

This artist’s paintings walk among us — Read more on ScientificAmerican.com

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Global appetite for beef, soy fuels Amazon fires

Two of the industries involved in the infernos consuming the Amazon rainforest and drawing the attention of global powers gathered at the G7 meeting in France are familiar to diners worldwide: soy and beef.

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Ivory Coast's 'Floating Island' points to greener tourism

The seaside resort offers visitors a cool drink or tasty meal, a dip in a pool, a karaoke session or an overnight stay, all with a view.

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'Red lights' as over-tourism threatens Corsican nature reserve

"It's nature's magical design," says a tourist guide, waxing poetic as he comments on the impressive red cliffs plunging into a turquoise sea at the Scandola nature reserve on France's Corsica island.

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Brazil's army fights Amazon fires after hundreds more flare up

Brazil on Sunday deployed two C-130 Hercules aircraft to douse fires devouring parts of the Amazon rainforest, as hundreds of new blazes were ignited ahead of nationwide protests over the destruction.

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'Red lights' as over-tourism threatens Corsican nature reserve

"It's nature's magical design," says a tourist guide, waxing poetic as he comments on the impressive red cliffs plunging into a turquoise sea at the Scandola nature reserve on France's Corsica island.

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Docking aborted for Russia's first humanoid robot in space

An unmanned spacecraft carrying Russia's first humanoid robot to be sent into orbit failed to dock at the International Space Station on Saturday, in a new setback for Moscow.

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CITES votes to protect endangered mako sharks

A proposal to strengthen protection for mako sharks, hunted for their meat and fins, was adopted Sunday by 102 countries at the CITES global wildlife trade summit.

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CITES votes to protect endangered mako sharks

A proposal to strengthen protection for mako sharks, hunted for their meat and fins, was adopted Sunday by 102 countries at the CITES global wildlife trade summit.

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Astronomer: 'Magic' nights make Hawaii best telescope site

When starlight from billions of years ago zips across the universe and finally comes into focus on Earth, astronomers want their telescopes to be in the best locations possible to see what's out there.

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NASA investigating first crime committed in space: report

US space agency NASA is investigating what may be the first crime committed in outer space, The New York Times reported Saturday.

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Sharks and rays to be given new international protections

An estimated 100 million sharks are killed every year, many for shark fin soup.

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Space is dead: A challenge to the standard model of quantum mechanics

Realists believe that there is an exactly understandable way the world is — one that describes processes independent of our intervention. Anti-realists, however, believe realism is too ambitious — too hard. They believe we pragmatically describe our interactions with nature — not truths that are independent of us. In nature, properties of Particle B may be depend on what we choose to measure or m

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Is Trump Destroying Bipartisan Consensus on Israel?

Updated on August 25, 2019 at 12:19 p.m. ET For a long time, elected officials in Washington maintained a rough consensus on Israel. The United States and Israel were unquestioned allies. Military and aid packages were guaranteed winners in Congress. And support for Israel was bipartisan. Following the Six-Day War in 1967, when the country’s survival seemed imminently threatened, Jewish organizat

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The *Jeopardy!* Master is Making a Better Trivia Game

Ken Jennings is teaming up with the creator of *Magic* to launch *Half-Truth*, a game that will "make you feel smart when you play."

7h

Similar brains but with differences that matter

That may be why mouse studies don’t always tell the right story. Paul Biegler reports.

7h

Chocolate and cannabis make a hash of things

Matrix effect makes it hard to assess product potency.

7h

Hos Ørsted kan medarbejderne gå til hjernefitness

PLUS. Øget bevidsthed om, hvor meget – eller lidt – vi kan fokusere på ad gangen, gør det nemmere at sige til og fra i en travl hverdag.

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The Internet Will Never Be Safe—and That’s Just Fine

We’re a long way from the halcyon days of the early internet, when the promise of a decentralized digital communications network meant anyone could talk to anyone without appealing to the gatekeepers. Knowledge would be liberated from elite newsrooms and stodgy old encyclopedia sets. “Information wants to be free” was the slogan of the day. We’ve since learned “free” information often has a price

7h

Birds dress to impress – and avoid

For a select few, two feather changes a year is the norm. Nick Carne reports.

7h

A Hippocratic Oath for data science?

A little more data literacy might be enough, suggest Lewis Mitchell and Joshua Ross from Australia’s University of Adelaide.

7h

Science history: The simple brilliance of Venn diagrams

British mathematician also had a love for cricket. Jeff Glorfeld reports.

7h

Anniversary of an image

It’s 30 years since Voyager 2 got close to Neptune.

7h

Saved From Death Row, Only to Be Returned

In 1991, an 18-year-old named Marcus Robinson, along with a friend, carjacked a white teenager, who was later found dead at a construction site. At trial, Robinson and his accomplice each said the other had shot the victim. Both Robinson and the friend were black, and race immediately became a hallmark of the prosecution’s strategy in Robinson’s trial. During jury selection, John Dickson, the pro

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"A Complete Enigma"—New Zealand Lizard Declared Extinct 130 Years After Only Sighting

But here’s the good news: new research finds it was actually six different species, and five still exist—for now — Read more on ScientificAmerican.com

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"A Complete Enigma"—New Zealand Lizard Declared Extinct 130 Years After Only Sighting

But here’s the good news: new research finds it was actually six different species, and five still exist—for now — Read more on ScientificAmerican.com

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Razer Blade Pro 17 Review: The Best Large Gaming Laptop

Razer's latest 17-inch laptop offers desktop-grade gaming performance in a weighty but portable package.

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Bugatti's Centodieci, VW's Electric Dune Buggy, and More Cars News

Plus, an inside look at Netflix’s crazy new car show and Ford’s plan to gather data from college scooter riders.

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Solar-powered orbiting drones to protect the Amazon rainforest?

What about a system of solar-powered automated drones that orbit around the rainforest in order to avoid future deforestations? It would follow the same logic of satellites around the earth. What do you think? submitted by /u/lwhite99 [link] [comments]

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Asia digs up and burns three quarters of the world's coal

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

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Deducing the scale of tsunamis from the 'roundness' of deposited gravel

Scientists have found a link between the 'roundness' distribution of tsunami deposits and how far tsunamis reach inland. They sampled the 'roundness' of gravel from different tsunamis in Koyadori, Japan, and found a common, abrupt change in composition approximately 40% of the 'inundation distance' from the shoreline, regardless of tsunami magnitude. Estimates of ancient tsunami size from geologic

9h

Robots Compete In Disaster Test

Robotics teams from all over the country compete in Pennsylvania in the Subterranean Challenge to see whose robot performs best in a simulated mine disaster scenario.

9h

Getting Coral To Reproduce

NPR's Leila Fadel speaks with Florida Aquarium's lead coral scientist Keri O'Neil about getting stone coral to repeatedly reproduce in a lab setting. This could help save global coral populations.

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Academic Science Rethinks All-Too-White 'Dude Walls' Of Honor

Historic portraits of revered scientists and doctors can be found all over medical schools and universities — and, as it happens, most feature white men. Some say this sends the wrong message. (Image credit: Pat Greenhouse/Boston Globe via Getty Images)

9h

On Trump and Queeg: A Followup

Three days ago I argued that if Donald Trump were in any consequential job other than the one he now occupies—surgeon, military commander, head of a private organization or public company, airline pilot—he would already have been removed. A sampling of reader response: The military would have responded. One reader writes: I am retired military officer and there IS a significant part of his behavi

9h

Why Is Mold Fuzzy?

Why is mold fuzzy, and is this fuzz dangerous to eat?

10h

How To Get the Most Out of Your Smartphone Battery

If you treat your smartphone's battery right, you'll drive yourself a lot less crazy trying to find an outlet.

10h

My Family's Gun Wounds: A Tale in Three Acts

For years, I laughed off guns. They were part of the scenery where I grew up in Chicago. Street gangs fought each other with switchblades and brass knuckles and sometimes you heard the pop of gunfire at night. I shrugged it off. Made jokes about the situation. Closed my eyes and went to sleep. In America, we “go ballistic” when we get angry. We “shoot from the hip” when we talk out of turn. We ha

10h

De pisker olie ud af forurenet jord

PLUS. Tonsvis af olieforurenet jord fra en byggeplads i København er fragtet til Køge, hvor et nyt anlæg skal piske olien ud til genbrug.

10h

Boris Johnson’s G7 Balancing Act

Boris Johnson has spent the first month of his premiership holding bilateral talks with Britain’s allies in the European Union and in the United States. But can he appeal to both at once? At this weekend’s Group of Seven summit in the French seaside town of Biarritz, he has endeavored to do just that. The annual gathering, which brings together leaders from Britain, Canada, France, Germany, Italy

10h

Kinesiske hackere går målrettet efter sundhedsdata i Europa og USA

Især kræftforskning er guld værd for Kinas stats-sponsorerede hackere, viser ny rapport.

11h

When Kamala Was a Top Cop

When Senator Kamala Harris is criticized for actions she took as San Francisco’s district attorney or as California’s attorney general, the Democratic presidential hopeful responds in two ways. She cites the most progressive aspects of her record, arguing that she’ll advocate in the White House for more reforms to the criminal-justice system. And she asserts that it is laudable to work for change

11h

OnePlus 7T might pack a wide-angle camera

A bunch of OnePlus 7T renders from notable leaker OnLeaks and Pricebaba shows a phone that looks pretty much like its predecessor — if it weren't for its circular camera module. …

11h

How diabetes can increase cancer risk

For years, scientists have been trying to solve a medical mystery: Why do people with diabetes have an increased risk of developing some forms of cancer? Today, researchers report a possible explanation for this double whammy. They found that DNA sustains more damage and gets fixed less often when blood sugar levels are high, thereby increasing cancer risk. The researchers will present their resul

12h

Skin patch could painlessly deliver vaccines, cancer medications in one minute

Nearly 100,000 new cases of melanoma are diagnosed annually, and 20 Americans die every day from it. Now, researchers have developed a skin patch that efficiently delivers medication within one minute to attack melanoma cells. The device, tested in mice and human skin samples, also could be adapted to deliver other vaccines. The scientists present their findings today at the American Chemical Soci

12h

This Is What Aliens Would See if They Examined Earth From Afar

Here's how Earth holds up as an exoplanet.

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7 ways smart cities can improve urban life

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

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Head of NASA: nuclear propulsion could be "game-changer"

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

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Spørg Fagfolket: Kunne man ikke lagre CO2 i træer og lade dem synke til bunds i havet?

En læser funderer over, om den ikke kunne rette lidt op på miljøregnskabet, hvis vi lader nogle træer vokse op, der kan binde CO2 og så dumper dem i havet, så det ikke bliver frigjort igen på landjorden. Det svarer KU på.

12h

Ny professor vil revolutionere studier af bivirkninger

Dr.med. Anton Pottegård vil med sit nye professorat bl.a. automatisere studier af bivirkninger – uafhængigt af de klassiske bivirkningsindberetninger. Det skal afdække skjulte bivirkninger som for eksempel cancer årtier efter endt brug af lægemidler.

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Explaining why Reddit posts are removed helps people comply with rules

Social media sites could cut the flow of unsavoury material by a fifth by better explaining their rules, according to a study of 32 million posts on Reddit

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Tests at 3 years old could predict how well your brain will age

Cognitive testing at the age of 3 can predict how healthy a person’s brain will be in their mid 40s, and may indicate whether they are likely to develop dementia

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Does having children make you happy? Yes, if you let them | Kenan Malik

A new study suggests non-parents are happier but kids bring great pleasure and joy if they are not viewed as constraints Children can make you happy. But only once they’ve left home. So suggests a new academic study . It’s the latest in a pile of recent studies that have sought to measure parenting and happiness. While the results have been mixed, most suggest that parents are less happy than non

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The 'Breaking Bad' movie comes to Netflix on October 11th

At last, Netflix's Breaking Bad movie has a name — and importantly, a release date. The service has released a teaser revealing that El Camino: A Breaking Bad Movie will premiere …

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We need more regular civilians in politics to fight climate change

We’ve already seen that our career politicians have totally failed to address climate change, on both sides of the isle, there has been a consistent failure by our governments to address the issue, and I think that has to do with the fact that most of our politicians are some form of elites who won’t feel the effects for some time, and thus, don’t care enough to try to stop it. I believe that in

15h

Space mining and return the resources to earth as hail sized chunks that rain down on the desert?

Does this seem doable? For example, say they collected resources in space, and crushed it into softball sized pieces. Then they filled a giant (kevlar/carbon fiber?) sack covered in heat shielding for the re-entry. The heat shields are built to burn up in the atmosphere – just as re-entry is complete. Then the softball-sized pieces harmlessly (hopefully) rain down on the uninhabited desert below.

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Hvad kan 9.479 hjerner i en kælder på Fyn sige om vores intelligens?

På Syddansk Universitet står verdens største samling af menneskehjerner.

16h

Ivanka Trump to Head New Agency of Precrime

A Precog capable of predicting future crimes in the film version of Minority Report . In a strange twist suitable for the dystopian reality show broadcast from the West Wing dining room , a charity formed to fight pancreatic cancer has morphed into project SAFE HOME — “Stopping Aberrant Fatal Events by Helping Overcome Mental Extremes”. SAFE HOME — “Stopping Aberrant Fatal Events by Helping Overc

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Rymdskrot sprider sig som en epidemi

Gamla satelliter och raketer ligger och skrotar i omloppsbana runt jorden. När de krockar med fungerande satelliter eller annat skrot förökar det sig med en rasande takt. Spela klippet ovan för att se hur rymdskrotet påverkar nya uppskjutningar.

17h

Här väjer rymdstationen ISS för flygande skrot

Flygande skrot är ett ständigt hot på världens största satellit, den bemannade rymdstationen ISS. Och för att undvika rymdskrot måste rymdstationen styras ur kurs. Spela klippet för att se när astronauterna väjer för skrotet i rymden.

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Christer Fuglesang vill skjuta ner rymdskrot med laser

Sedan i torsdags har ett miniteleskop varit på väg till internationella rymdstationen ISS. Det ska användas till experiment med att förgöra rymdskrot som ligger i omloppsbana runt jorden. Se klippet ovan när astronaut Christer Fuglesang berättar om när han själv bidrog till rymdskot i rymden.

17h

Trump tries to overturn ruling stopping him from blocking Twitter users

President Trump is determined to challenge an appeals court ruling preventing him from blocking critics on Twitter. The Justice Department has filed papers for Trump that demanded …

18h

Wow! What if 1 in 4 sunlike stars has an Earth? | Space

submitted by /u/izumi3682 [link] [comments]

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Quantum radar has been demonstrated for the first time

submitted by /u/izumi3682 [link] [comments]

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NASA Reportedly Investigating First Allegation of a Crime in Space

submitted by /u/izumi3682 [link] [comments]

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The first trillion transistor chip

submitted by /u/The-Literary-Lord [link] [comments]

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The robots are coming for your job, too

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

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Ny studie: E-cigaretter påverkar blodcirkulationen – med en gång

Nikotinfria e-cigaretter påverkar blodcirkulationen efter bara ett användningstillfälle. Det visar en ny studie gjord på unga icke-rökare. Enligt forskarna krävs vidare studier för att se om det finns några långsiktiga skadliga effekter.

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