News
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Microbial mats may have given early animals breathing room
Early animals survived poor marine conditions by inhaling oxygen from bacterial "mines" at the bottom of the ocean.
- Chemistry
Melting icebergs fertilize ocean
Releasing extra iron into the water boosts carbon dioxide uptake by plankton.
- Science & Society
Youthful ingenuity honored at Intel ISEF
Young scientists receive awards for insights applicable to cancer treatment, homeland security, water supplies and more.
- Physics
New laser is from the birds
Inspired by an optical trick that colors feathers without pigment, physicists come up with a cheap, practical design.
