Life
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FossilsHow sharks survived the ‘Great Dying’
By abandoning their coastal homes, some sharks survived an event that caused mass extinctions of other species.
By Janet Raloff -
BrainRestoring a sense of touch
A zap to a monkey’s brain fools the animal into thinking its finger has been touched. The findings point to a way for artificial fingers to communicate with the brain so that touch “feels” more real.
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AnimalsTrue vampires
Forget Count Dracula or Twilight’s Edward and Bella. Many creatures have a true thirst for blood, and here’s why.
By Roberta Kwok -
AnimalsVampires’ gift of ‘blood honey’
A Maryland biologist probes the unusual dining behaviors of a blood-thirsty bat.
By Susan Milius -
Brain‘Study drugs’ can be dangerous
The misuse of these ADHD medicines not only constitutes cheating, but they can become addictive and can mess with your head.
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Health & MedicineMining medicine from poop
Researchers find a much less yucky way to treat people with a common killer infection.
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MicrobesSlimming germs
In the gut, the right microbe mix can help keep off extra weight — at least in mice.
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Health & MedicineExplainer: Where and when did HIV begin?
The virus that causes AIDS may have evolved in monkeys or apes more than a century ago.
By Bryn Nelson -
BrainThe upside of cheating
Many people assume that cheaters and thieves will secretly feel shame or guilt. A new study challenges that. It finds that people who cheat without causing anyone much harm actually enjoy a little buzz afterward.
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MicrobesMystery microbes of the sea
Biologists find archaea a true curiosity. They make up one of life’s three main branches. The two better known branches are bacteria and eukaryotes (u KARE ee oatz). That last branch includes animals, plants and fungi. But archaea have remained mysterious. Very little is known about them. In fact, their unique status wasn’t even recognized until relatively recently, in 1977.
By Douglas Fox -
BrainAge-old fears perk up baby’s ears
Kids start paying attention to scary sounds when only a few months old.