Humans

  1. Health & Medicine

    Making light of sleep

    Teens are prone to sleep problems, but a little sunshine could help.

    By Susan Gaidos
  2. Health & Medicine

    Physics of running bared

    Running without shoes softens the blow.

    By Stephen Ornes
  3. Health & Medicine

    Slumber by the numbers

    Fewer than 1 in 10 teens get ideal amount of sleep.

    By Stephen Ornes
  4. Health & Medicine

    Got milk? How?

    Scientists are tracking down the first people who squeezed this nutritious liquid out of animals thousands of years ago.

    By Emily Sohn
  5. Health & Medicine

    Drugs and zzzzzz’s

    People who take the drug ecstasy are more likely to suffer from a sleeping disorder.

    By Stephen Ornes
  6. Health & Medicine

    The (kids’) eyes have it

    A visual trick opens a window on brain development.

    By Stephen Ornes
  7. Health & Medicine

    New twists for phantom limbs

    An experiment explores the connections between brain and body.

    By Stephen Ornes
  8. Health & Medicine

    Junk food junkies

    Rats on a junk food diet behave like drug addicts.

    By Stephen Ornes
  9. Health & Medicine

    The taste of bubbles

    Taste cell for sourness senses fizz, too.

    By Stephen Ornes
  10. Humans

    Meet your mysterious relative

    Ardi climbed trees and walked on two legs 4.4 million years ago.

    By Stephen Ornes
  11. Genetics

    Two monkeys see a more colorful world

    A genetic experiment changes the way monkeys see the world.

    By Stephen Ornes
  12. Health & Medicine

    Making good, brown fat

    Researchers find a way to make energy-burning fat out of other types of cells.

    By Stephen Ornes