Earth
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Life
Moonless twilight may cue mass spawning
Subtle color shifts on the nights just after the full moon might synchronize the release of gametes by corals and other marine creatures.
By Susan Milius -
Life
Buried microbes coax energy from rock
In experiments, microorganisms can stimulate minerals to produce hydrogen, a key fuel for growth in a thriving subterranean world.
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Earth
Earth/Environment
Licorice may be a natural alternative to antibiotics on hog farms, plus more in this week’s news.
By Science News -
Earth
Extinctions breed carbon chaos
Massive die-off left ecosystems vulnerable, an analysis suggests.
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Earth
Chile quake didn’t reduce risk
During the large 2010 tremor, faults ruptured mainly outside the area due for a big one, leaving the region vulnerable to future events.
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Humans
Amoebas in drinking water: a double threat
Analysis reveals widespread, hidden contamination by the sometimes lethal parasites.
By Janet Raloff -
Earth
Dispersants persisted after BP spill
Chemicals used to break up oil remained in the Gulf’s depths months after being released, an analysis shows.
By Janet Raloff -
Math
Unnatural selection
Inflicting damage on targeted species can help preserve perturbed ecosystems.
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Earth
Glaciers largely stable in one range of Himalayas
Amid icy retreats in neighboring ranges, ice in Karakoram region may even be growing, thanks to debris cover.
By Janet Raloff -
Earth
2010 ties record for warmest year yet
El Ni±o heated things up even as global temperatures continue to rise in the hottest decade on record.
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Paleontology
Early meat-eating dinosaur unearthed
Pint-sized, two-legged runner from Argentina dates back to the dawn of the dinos, 230 million years ago.