Brain
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Brain
Sleepyheads prefer junk food
A night without sleep changes the brain and how appetizing people find high-calorie foods.
By Janet Raloff -
Brain
Teen fighting may harm IQ
Blows to the head may explain these effects on the brain.
By Janet Raloff -
Brain
Nature resets body’s clock
After a week in the wild, people went to bed — and got up — earlier.
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Brain
Full moon shortchanges sleep
Lab experiments show people’s sleep suffers for a day or so every month.
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Brain
Respecting the body’s clocks
Daily rhythms affect everything from the time we wake to how well we perform in sports.
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Brain
Headers and memory loss
Soccer players who frequently use their heads score worse on memory tests.
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Brain
Explainer: Our bodies’ internal clocks
Biological clocks determine hunger, sleepiness and other daily rhythms.
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Brain
A mind for math
A part of the brain associated with making memories may also predict success in learning math.
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Brain
The stuff of dreams
Computer program decodes dreams, finds similar brain activity patterns for objects seen while asleep or awake.