Brain

  1. Health & Medicine

    Bullying hurts — but peer support really helps

    Bullied kids face more mental illness as adults, new studies find. Other research suggests support from other kids can lessen the impacts.

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  2. Brain

    Stuttering: Blood flow in the brain may play a role

    A new study shows people who stutter have less blood flow to a language center in the brain known as Broca’s area.

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  3. Brain

    Explainer: What is dopamine?

    Dopamine is a chemical messenger that carries signals between brain cells. It also gets blamed for addiction. And a shortage of it gets blamed for symptoms of diseases such as Parkinson’s.

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  4. Brain

    Explainer: What is neurotransmission?

    When brain cells need to pass messages to one another, they use chemicals called neurotransmitters. This sharing of chemical secrets is known as neurotransmission.

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  5. Science & Society

    Don’t let math stress you out

    New research points to strategies for improving math performance in people who get stressed out by the numbers world.

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  6. Animals

    Animals can do ‘almost math’

    Humans aren’t the only animals with a number sense. Scientists are trying to figure out where and when it evolved.

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  7. Brain

    To reveal how the brain creates joy, start by tickling rats

    Rats love a good tickle. Not only do they beg for more, but the action itself activates a part of the brain that detects touch, researchers find.

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  8. Psychology

    What makes a pretty face?

    Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?

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  9. Brain

    Lying sets up a liar’s brain to lie more

    As people lie more, activity in one brain region falls, a new study finds. It’s an area associated with emotion.

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  10. Health & Medicine

    Zika birth defects: Concerns spread from head to toe

    Zika infections may trigger problems well beyond babies born with small heads and brains. Scientists have begun linking a range of head-to-toe health ails to the virus.

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  11. Brain

    Pain is contagious — at least in mice

    Pain can move from one mouse to another. The trigger may be smell.

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  12. Brain

    Out-of-whack body clock causes more than sleepiness

    When the body’s “clock” doesn’t match the cues its getting from outside, people can feel bad. Researchers are using math to explain this “circadian-time sickness.”

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