Cougars may have survived the mass extinction that took place about 12,000 years ago because they were not particular about what they ate, unlike their more finicky cousins—the saber-tooth cat and American lion. Both perished ...
Archaeology
Apr 22, 2014
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Environmentalist activists on Tuesday decried Canada's downgrading of humpback whale protections, suggesting the decision was fast-tracked to clear a major hurdle to constructing a pipeline to the Pacific Ocean.
Ecology
Apr 22, 2014
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There are all sorts of signaling strategies in nature. Peacocks puff out their feathers and spread their colorful tails; satin bowbirds build specialized stick structures, called bowers, and decorate them with blue and shiny ...
Plants & Animals
Apr 22, 2014
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AT&T says its first quarter earnings were unchanged from the first three months of last year, but revenue grew as the wireless business added more than 1 million subscribers.
Business
Apr 22, 2014
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Scientists say the number of baby lobsters settling off the rocky coast of Maine continues to steadily decline—possibly foreshadowing an end to the recent record catches that have boosted New England's lobster fishery.
Ecology
Apr 22, 2014
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The mountain pine beetle has wreaked havoc in North America, across forests from the American Southwest to British Columbia and Alberta, with the potential to spread all the way to the Atlantic coast. Millions of acres of ...
Ecology
Apr 22, 2014
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Last month, scientists announced the first hard evidence for cosmic inflation, the process by which the infant universe swelled from microscopic to cosmic size in an instant. This almost unimaginably fast expansion was first ...
General Physics
Apr 22, 2014
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Warm sunshine and sandy beaches make south Florida and its crown city, Miami, a haven for tourists, but the area is increasingly endangered by sea level rise, experts said Tuesday.
Environment
Apr 22, 2014
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Peruvian authorities announced an investigation Tuesday into the killing of five penguins found slashed to death at a center for endangered species.
Ecology
Apr 22, 2014
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Former New York Mayor Michael Bloomberg's foundation has announced a $5 million investment in an artsy-looking solar-powered lamp designed for use in off-grid populations in Africa.
Energy & Green Tech
Apr 22, 2014
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