Life

  1. Brain

    Sleeping brains take a bath

    During waking hours, litter builds up in the spaces between brain cells. A new study shows that during sleep, fluid from the brain and spinal cord takes out this trash.

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  2. Brain

    In pursuit of memory

    Why is granny so forgetful? Scientists must learn how the brain builds memories if they hope to figure out why recall fails in old age.

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  3. Fossils

    King of Gore

    Paleontologists debut the oldest T. rex ancestor. Weighing as much as a car and longer than a two-story building is tall, this meat eater would have been one fierce predator.

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  4. Brain

    One eye, 3-D

    Most scientists think people need two eyes to see a flat image or movie in three dimensions. However, a new study suggests seeing in 3-D with one-eye is possible.

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  5. Fossils

    Where do humans come from?

    Some scientists propose a newfound South African species as the most likely ancestor of the line that led to humans. But not everyone accepts that this is where it all began.

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  6. Fossils

    How sharks survived the ‘Great Dying’

    By abandoning their coastal homes, some sharks survived an event that caused mass extinctions of other species.

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  7. Brain

    Restoring 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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  8. Animals

    True vampires

    Forget Count Dracula or Twilight’s Edward and Bella. Many creatures have a true thirst for blood, and here’s why.

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  9. Animals

    Vampires’ gift of ‘blood honey’

    A Maryland biologist probes the unusual dining behaviors of a blood-thirsty bat.

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  10. 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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  11. Health & Medicine

    Mining medicine from poop

    Researchers find a much less yucky way to treat people with a common killer infection.

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  12. Animals

    Close cousins

    Chimps and bonobos are humans’ nearest living relatives.

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