Health & Medicine

  1. Health & Medicine

    Memory by hypnosis

    Scientists are using hypnosis to better understand how the brain remembers—or doesn't.

  2. Health & Medicine

    Sweeeet! The skinny on sugar substitutes

    Millions of people use artificial sweeteners, but are they safe?

  3. Health & Medicine

    Heavy sleep

    To maintain a healthy weight, kids need to get enough sleep.

  4. Health & Medicine

    A recipe for happiness

    Want to be happier? Recent studies show that science can help.

  5. Health & Medicine

    The buzz about caffeine

    Is caffeine bad or good for you? The answer is: a little of both.

  6. Health & Medicine

    Toxic Dirt + Avian Flu = Science Fair Success

    Fifteen-year-old Nolan Kamitaki shows what it takes to become one of America's top young scientists.

  7. Health & Medicine

    The electric brain

    Electrical implants allowed a brain-damaged man to talk, eat, and move again.

  8. Health & Medicine

    A big discovery about little people

    Humans may have once walked the Earth with tiny people—a possible newly discovered species that scientists have nicknamed "hobbits."

  9. Health & Medicine

    Don’t Eat That Sandwich!

    If you drop a sandwich on the floor, how quickly does it pick up bacteria?

  10. Health & Medicine

    A Better Flu Shot

    A new kind of vaccine that's made in caterpillar cells prevents influenza.

  11. Health & Medicine

    Chew for Health

    Surprise your teacher: New studies show that chewing gum might be good for you!

  12. Health & Medicine

    Wake Up, Sleepy Gene

    Variation in the length of one gene affects how well you function when short of sleep.