News
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Health & MedicineLead’s legacy
High levels of lead in the blood during childhood are associated with smaller brains and with an increased risk for violent criminal behavior, report two new studies.
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LifeTwo-mommy bird nests
Researchers have found an unexpected number of two-female nests in Oahu’s bird colony.
By Susan Milius -
LifeShoot-out superhero claws
Hidden spurs cut through frog’s own skin to rip attackers.
By Susan Milius -
Health & MedicineStunning reversal
A man’s irregular heartbeat returns to normal after he is shocked with a Taser, the first report of such an effect.
By Nathan Seppa -
EcosystemsThat sinking feeling
The sea level rise expected in the coming century will swamp the Everglades unless current management is adjusted or climate change is curbed.