Lívia Fulquet Martinez

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How It Works: Death By Black Hole

A quantum quandary<p>As you fall feet first across an event horizon—the point where nothing can escape the black hole’s gravitational pull—you don’t feel anything change. But eventually, gravity is so much stronger at your feet than your head that you’re stretched apart, like Play-Doh, until you snap. …

Quantum Mechanics

Nasa astronauts take first bites of lettuce grown in space: ‘Tastes like arugula’

The bountiful harvest aboard the International Space Station is part of Nasa’s Veggie experiment to make spacecrafts more self-sustaining for longer missions<p>It was one small bite for man, one giant meal for mankind.<p>On a gustatory adventure never attempted by humanity, astronauts have for the first …

Aquaponics

What will it take to control CEO pay?

Critics of high salaries are cheering the SEC’s new “pay ratio” rule. Here’s why it might actually backfire on workers.<p>The SEC on Wednesday passed a new rule for large corporations: Starting in fiscal year 2017, they must disclose their “pay ratio,” the multiple by which the CEO’s pay exceeds that …

CEOs

Pear juice before alcohol may combat hangover

Scientists find that Asian pears contain properties that effect alcohol metabolism, reducing memory loss and boosting concentration<p>Drinking pear juice before a night of heavy drinking could reduce the effects of a hangover, research suggests.<p>Australian government scientists found that for those …

Pluto's Moons Are 'Tumbling In Absolute Chaos,' NASA Says

In the NFL, something that behaves like Pluto's football-shaped moons might be called a wobbly duck. NASA simply calls them astonishing.<p>Instead of steadily rotating through their orbits, two of Pluto's moons "wobble unpredictably," the space agency says, citing new analysis of data from the Hubble …

Moon

Cheap 3D printed robotic arm controlled by the mind | Reuters

For Easton LaChappelle, a 19-year-old from Colorado in the United States (U.S.), the difficulty with robotics has never been the technology itself - something he says he managed to master in a matter of months from his bedroom in his parent’s house - but the cost.<p>The technology used by most robotic …

3D Printing

Prostate cancer breakthrough as scientists crack genetic code behind nine in 10 tumours

Nine out of 10 cases of late stage prostate cancer can now be linked to changes in the DNA of sufferers, the Institute of Cancer Research<p>Thousands of men suffering from advanced prostate cancer have been offered new hope of a cure after scientists discovered the genetic cause behind 90 per cent of …

Cancer

Do Mice Really Adore Cheese?

Short answer: they prefer peanuts to provolone<p>In many people's minds, mice are cheese junkies, thanks, in no small part, to watching endless hours of Tom and Jerry cartoons. But in reality, mice are optimal foragers, which means they'll eat whatever provides the most energy and takes the least time …

Silver Makes Dead Bacteria Act Like Zombies

Killing from beyond the grave<p>Chemists in Israel have discovered the walking dead of the microbial world. It turns out that bacteria slayed by silver can kill nearby living pathogens even after they're dead as a doornail.<p>Silver has been used as an antimicrobial agent for centuries. Bacteria absorb …

The Walking Dead

Why do we get sleep in our eyes?

Our eyes fill up with gunk as we sleep, but what is it? As Jason G Goldman discovers, the stuff has a more important job than it seems.<p>The first thing I do when I wake up each morning is look at the long list of notifications that have silently accumulated on my phone as I slept. The second thing I …

Marine Mammals

Pain Really Is All In Your Head And Emotion Controls Intensity

When you whack yourself with a hammer, it feels like the pain is in your thumb. But really it's in your brain.<p>That's because our perception of pain is shaped by brain circuits that are constantly filtering the information coming from our sensory nerves, says David Linden, a professor of …

The Brain

If It Feels Like Stress Is Killing You, That's Because It Might Be

When you feel frazzled, so do your organs and cells<p>Chronic stress stems from many circumstances, such as poverty, a bad marriage, or long-term ailments. Its repercussions—elevated cortisol levels and inflammation—can wear us out, from the cellular level on up to our major biological systems.<p>Nervous …

Wellness

Why men lose their memory younger than women

Men are affected by memory loss earlier than women, according to a study. Why does it happen and what can we do to stave it off?<p>Men over 40 have worse memories than women of the same age, <b>according to a study</b> carried out by American scientists.<p>The research showed that the hippocampus area of the …

How A Former Nuclear Missileer Made A Color-Changing Petunia

Keira Havens went from boom to bloom<p>From 2005 to 2008, Keira Havens could have started World War III just by turning a key. As a missileer in the United States Air Force 90th Missile Wing, she manned a console that was linked to a battery of nuclear weapons and sealed behind an eight-ton steel door …

Researchers Think There's A Warm Ocean On Enceladus

Saturn's moon Enceladus is a mystery. From Earth it looks tiny and cold, and yet it's not a dead hunk of rock. Passing spacecraft see trenches and ridges, similar to Earth's, and in 2005 NASA's Cassini mission spotted ice geysers streaming from its south pole.<p>"The moon is actually alive in a …

Astronomy

The 17 strangest laws in America

Sites like dumblaws.com— which rarely link to states' current statutes or may misinterpret them — only perpetuate the myths.<p>We decided to find the weirdest laws that are <i>actually</i> still on the books, and came across everything from fines for dwarf-tossing to bans on sex. Here are some of the …

South Dakota

Arsenic Antidote Hidden In Our Genes

For centuries, arsenic was the go-to poison for murder.<p>If you wanted to knock off an heir to the throne or speed up the arrival of your inheritance, all you had to do was add a dollop of rat poison to your rival's food. They wouldn't see or taste it. And the police wouldn't detect it — at least not …

Environmental Health

Nanobomb Creates Massive Explosion On Tiny Scale

Buckminsterfullerene buckyballs become buckybombs<p>What the world needs most are more things that explode in more ways. A team of researchers from the University of Southern California in Los Angeles, as well as one with Brazil’s Federal University of São Paulo, sought the answer to a simple …

Chemistry

Dan Stevens in Beauty and the Beast, Chris Pratt in Frozen, and Six Other Actors Who Should Play Disney Princes

It was announced last night that <b>Dan Stevens,</b> also known as Matthew Crawley from <i>Downton Abbey,</i> will be starring alongside <b>Emma Watson</b> in the live-action update of <i>Beauty and the Beast.</i> Stevens is only the latest young actor to take on the role of a Disney prince, joining the illustrious ranks of</b> …

Walt Disney Company

Neil Patrick Harris: 'I don't know if my family or soul could take another Oscars'

There was a great deal of anticipation for multihyphenate star Neil Patrick Harris’s role as Oscars host and, despite a great deal of goodwill towards the star, reaction was lukewarm at best.<p>Reviews were damning and ratings were at their lowest since 2009 leading most to believe that he won’t be …

Neil Patrick Harris

Why Killer Whales Go Through Menopause But Elephants Don’t

Last summer, I met Granny. I was on a whale-watching boat that had sailed south from Vancouver Island, in search of a famous and well-studied group of killer whales (orcas). Two hours after we set off, we started seeing black fins scything through the unusually calm and glassy water. We saw a dozen …

Killer Whales

Apple's larger ‘iPad Pro’ expected in October

Reports indicate larger 12.9in iPad could be released in second half of 2015 with new USB ports aimed at business users<p>Apple’s rumoured “iPad Pro” has reportedly been delayed by production issues surrounding its bigger screen.<p>The 12.9in business-focused iPad will begin production in the second half …

IPad Pro

Is cannabis a gateway drug?

There’s a lot of debate about whether cannabis could lead to harder stuff. Michelle Taylor discusses the evidence<p>What is the Gateway Hypothesis<p>The Gateway hypothesis states that there is a causal sequence through classes of drugs, whereby the use of “less harmful” substances is a risk factor for …

Cannabis

20 Indoor Plants for the Small-Space Gardener

All of these beauties are easy to keep alive.<p>If your home wasn't blessed with tons of square footage, that doesn't mean you can't flex your green thumb. All of these plants take up minimal space, require little sun (a <i>must</i> when you only have a few windows to work with), and are basically made for …

Tuberculosis-Resistant Cows Engineered In China

A possible solution for one of the worst diseases affecting cattle<p>Think tuberculosis (TB), and you might think of a tragic heroine wasting away, droplets of blood on her handkerchief like Satine in <i>Moulin Rouge!</i> or Mimi in <i>La Bohème</i>. But when farmers hear TB, they think cows.<p>This week, scientists in …

Newly Discovered Hormone Simulates Exercise In Mice

The researchers predict that it could do the same for people, too<p>Everyone knows the age-old tactics for losing weight: eat better, eat less, and exercise more. But researchers at the University of Southern California may have found a way to sidestep that simple-sounding advice. Mice injected with a …

Black hole 12bn times more massive than sun is discovered

Scientists name new ‘object’ SDSS J0100+2802 and say it is 12.8bn light years from Earth and was formed just 900m years after the Big Bang<p>A monster black hole powering “the brightest lighthouse in the distant universe” has been discovered that is 12bn times more massive than the sun, scientists …

Universe

Rats Remember Who's Nice to Them—and Return the Favor

It's the first time scientists have found direct reciprocation in the animal kingdom.<p>Rats can remember acts of kindness by other rats—and treat them accordingly, a new study says.<p>In experiments, Norwegian rats were most helpful to individuals that had previously helped them—perhaps to try and …

Research