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

  1. Animals

    Open eyes, dozing minds

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

  2. Health & Medicine

    Fat weighs heavy on the brain

    New study shows obesity interferes with memory, thinking and reasoning.

  3. Health & Medicine

    Scientists help amputees by getting on their nerves

  4. Brain

    Charging up the brain for reading

    Some kids can become better readers if they learn how written letters match up with speech sounds.

  5. Planets

    Planets on the Edge

    The discovery of a strange, planetlike object beyond Pluto adds to the puzzle of how the solar system formed.

  6. Brain

    Brain signals attention disorder

    Children with attention disorders appear to have less tissue in certain parts of their brain.