Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.

  1. Brain

    Loneliness can breed disease

    Everyone experiences loneliness from time to time. But when allowed to persist, loneliness can damage your health and steal years from your life.

  2. Health & Medicine

    The nose knows a trillion scents

    There's a long-standing claim that people can identify 10,000 different odors. But a new study suggests that people can actually identify at least 10,000 times that many scents.

  3. Brain

    Getting a head start on autism

    Early diagnosis followed by early treatment may reduce autism’s impact on kids — and help them to communicate better.

  4. Brain

    Explainer: What is autism?

    Genetics appears to play some role in this disorder, which affects more than one percent of all Americans.

  5. Brain

    Mapping the brain’s highways

    A new map may explain why some brain injuries are worse than others. Even relatively minor injuries that disrupt message superhighways may have a more devastating impact than some seemingly catastrophic injuries.

  6. Brain

    The teenage brain

    Adolescence triggers brain — and behavioral — changes that few kids or adults understand.

  7. Brain

    What a dream looks like

    Brain scans show the brain’s activity during a dream.

  8. Chemistry

    DEET confuses mosquitoes

    Scientists suspect the repellant messes with a mosquito’s sense of smell.

  9. Health & Medicine

    A viral sniff

    A common virus may get to the brain through the nose.

  10. Health & Medicine

    Gut Instinct

    New mouse study reveals a connection between intestinal bacteria and behavior.

  11. Animals

    Silky spider footprints

    Tarantulas use foot-spun silk to hold tight in slippery situations.

  12. Animals

    Open eyes, dozing minds

    Scientists find that rats that stay up late are neither fully asleep nor fully awake.