Nico Abel

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World's oldest human poop may have been found in Spain

Maybe archaeologists should watch where they step. Researchers have stumbled across what may be the world's oldest human poop, deposited by Neanderthals about 50,000 years ago atop an ancient campfire in Spain.<p>If the discovery is truly a prehistoric latrine – a claim that has provoked skepticism …

Childhood memories erased by growth of new brain cells

Can’t remember that childhood blankee you toted everywhere? Blame it on all those new brain cells you were making. The formation of brain cells …

Amnesia

The Green Beret Workout

Build functional, real-world strength with the same fat-incinerating, muscle-multiplying circuit used by U.S. Special Forces

Cornfields Could Yield Less by Midcentury

Rising corn yields are threatened by an increasing sensitivity to drought, new study says.<p>Corn yields in the U.S. have become more sensitive to drought, not less, over the past 18 years, according to a study published today in <i>Science</i>. The report warns that if the trend persists, yields could fall …

To Breathe Upside-Down, Sloths Tape Organs To Their Ribs

Science & InnovationNot Exactly Rocket Science<p>If you spent a lot of your life hanging upside-down, you’ve got a problem. Your liver, kidneys, stomach and other internal organs would press down upon your lungs and diaphragm, making it marginally harder to breathe. This won’t matter in the short term …

A single algorithm is phasing out the Pap smear

Can a new approach to cervical cancer screening improve diagnosis, or will it jeopardize women's health?<p>The FDA last week approved a DNA-based HPV test manufactured by Roche Molecular Systems as a primary screening option for cervical cancer. Called the "cobas HPV test," the method detects DNA from …

Fatal Superbugs: Antibiotics Losing Effectiveness, WHO Says

"Genetics is working against us, almost like a science-fiction story."<p>The spread of superbugs—bacteria that have changed in ways that render antibiotics ineffective against them—is a serious and growing threat around the world, according to the World Health Organization's first global report on …

Swapping Young Blood for Old Reverses Aging

Muscle tone, endurance, memory, and smell improve in elderly mice infused with blood from younger mice<p>In what could have profound implications for understanding the process of aging, a trio of scientific papers published today show that infusing elderly mice with the blood of young mice can reverse …

Crowdsourcing the retina’s motion detection mechanism

A large group of gamers, working with computational neuroscientists, has produced a wiring diagram of the nerve cell connections at the back of the eye, which may have solved the long-standing question of how cells in the retina detect motion.<p>50 years ago, researchers discovered that retinal …

Solar Cells the Size of a Pencil Point

When it comes to solar cells, bigger might not mean better.<p>North Carolina-based Semprius says it has produced the world’s most efficient solar cells – and they’re the size of the period at the end of this sentence.<p>According to the peer-reviewed journal Nature Materials, Semprius’s latest solar …

Now You Can Get Your Own Fish-Driven Car

Hit the road, fish.<p>Behold: an aquarium than can be driven by a fish. In February, we saw "Fish on Wheels," a water-filled vehicle that allows our finned friends to move about on dry land. Digital cameras on the device sense which direction the fish is swimming in, and a tiny onboard computer moves …

The Talking Germs: Deciphering Microbial Linguistics and Cognition

Language is a hallmark of higher ordered creatures. Humans have developed a highly complex process involving the organization of thousands of words, each of which comprises a meaning. Yet, we are not alone in the ability to talk to one another. Over the last few decades, researchers have shown …

Linguistics

Wireless electricity? It's here

Katie Hall was shocked the second she saw it: a light-bulb glowing in the middle of a room with no wires attached.<p>Looking back, it was a crude experiment, she remembers: a tiny room filled with gigantic copper refrigerator coils -- the kind you'd see if you cracked open the back of your freezer.<p>She …

Scrap irrelevant HPV vaccine programme

COMMENT The Consumers Association of Penang (CAP) urges the scrapping of the National Human Papillomavirus (HPV) vaccination programme for …

Meet The Radical Berkeley Artist Whose Company Is Turning Trash Into Electricity

Can Jim Mason solve the developing world’s power problems with a temperamental machine that runs on garbage?<p>It is a challenge just to find the door to All Power Labs, an upstart alternative-energy concern in the industrial wastelands of far west Berkeley, California, and it’s not unusual for …

Smart Slime: Bacteria Taught to Heal Wounds

Scent of a man: Male sweat stresses out lab mice

Uh-oh. Lab rats and mice get more stressed out by male researchers than by females. The finding could mean that thousands of behavioural experiments …

Use Your Fist to See Better Without Glasses

If you wear glasses, you've likely tried every trick in the book to try to improve your vision when you can't find your glasses. From squinting to …

Spooky Atmospheric 'Teleconnections' Link North and South Poles

Long-distance atmospheric connections between the North and South poles are linking weather and climate in distant parts of the globe, according to …

Reprieve for men: Y chromosome is not vanishing

Alarming shrinkage has stopped, researchers say, because the Y is a bastion of elite genes<p>Josh Fischman<p>April 27, 2014 7:00pm (UTC)<p>This article was originally published by Scientific American.<p>The Y chromosome is definitely the runt of our chromosome litter. Among our 23 pairs of these precious …

Meaningful Activities Protect the Brain From Depression

A new study of adolescents found that those who derive joy from selfless deeds were less likely to be depressed over time.<p>Our entire lives, when you think about it, are built around rewards—the pursuit of money, fun, love, and tacos.<p>How we seek and respond to those rewards is part of what …

Prescribing Mushrooms for Anxiety

A New York University research team is using hallucinogenic experiences to help patients come to terms with their mortality.<p>“Some of the things I’m about to say might not make sense,” began O.M., a 22-year-old cancer survivor. He had the far-off look in his eyes that I recognized from so many of …

These Beautiful Graphics Reveal The Chemistry Of Everyday Foods

Literally everything around us is made up of chemicals. That includes all foods. And the different kinds of chemicals they contain give the stuff we eat their flavors, colors, and smells.<p>On the blog Compound Interest, a chemist and teacher in the United Kingdom has illustrated the chemistry behind …

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