News
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PsychologySadness response strengthens with age
Older people reacted more strongly to sad scenes than twentysomethings did in a recent study of emotional receptivity.
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LifeLemurs on contraceptives don’t smell right
Birth control disrupts female odors used in mating and other social situations.
By Susan Milius -
EarthTrailing dust devils
Whirlwinds leave dark paths behind by sucking sand grains clean.
By Sid Perkins -
LifeGenetics redraws marsupial family tree
A new analysis traces the group’s origin to South America.
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Materials ScienceErasing wrinkles, the physicists’ way
Researchers study how folds and other creases disappear.