News
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LifeFossil find may document largest snake
Rocks beneath a coal mine in Colombia have yielded fossils of what could be the world's largest snake, a 12.8-meter–long behemoth that's a relative of today's boa constrictors.
By Sid Perkins -
EarthPrimordial soup lives again
Fifty-five years later, new analyses of leftovers from Stanley Miller's famous 'primordial soup' experiment suggest that life could have originated near volcanoes.
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Health & MedicineBacteria that do logic
A team engineers microbes to perform AND, OR, NAND and NOR logic operations.
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SpaceHubble revives
A plan to switch the Hubble Space Telescope to a backup system works, waking up the telescope after more than two weeks of silence.