News
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Health & MedicineLaptops and infertility: It matters how you sit
Men who keep their legs together while using the computers generate more sperm-endangering scrotal heat than those who splay them, a study finds.
By Nathan Seppa -
SpaceMilky Way’s black hole may blow bubbles
Astronomers have discovered two giant blobs of gamma ray–emitting gas above and below the galaxy’s center.
By Ron Cowen -
AnimalsAcidification may halve coral class of 2050
Already shown to be a threat to established reefs, experiments show that changing ocean chemistry also threatens the establishment and survival of larvae.
By Susan Milius -
EarthMining the maritime past for clues to climate’s future
Researchers collect data through a mashup of 19th century ship records and 21st century crowdsourcing.