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The arachnids, also known as harvestmen, can use their legs like a curling marsupial tail — or as a sensor, or for courtship. They can also simply detach one, in case of emergency.
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Scientists analyzing fossils from the country's northwest regions say two specimens were from previously unknown species.
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Chile and Argentina got their turn to host a total solar eclipse. People brought out special glasses, and even protective suits, to watch the celestial event.
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Researchers documented the fox's epic trek of more than 2,700 miles. They also say she set a speed record for her species, at one point covering about 96 miles per day.
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The problem hit a San Francisco clinic on March 4 — the same day that a similar cryogenic tank failure was reported in Cleveland.
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Proposals for drones to carry blood, trauma supplies and lab samples are awaiting approval by the Federal Aviation Administration. If the ideas get a green light, they could usher in a new drone age.
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When it comes to facing global warming, dealing with climate change and making informed choices for our cherished "project of civilization," we've been asking the wrong question, says Adam Frank.
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Richard Jantz, a forensics expert at the University of Tennessee, reanalyzed measurements from the bones. He says they are female and the right size to be Earhart's. But questions linger.
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Evidence for smart, sassy octopus behavior once again impresses our resident cephalopod fan Barbara J. King, who is standing up for octopuses against a recent broadside.
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The U.S. is on track to become the world's biggest oil producer. Technology advances and automation mean this can happen with fewer workers than during the last boom.
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Technology is making many jobs obsolete. But even acting? The technology in the Academy Award-winning Blade Runner 2049 gives a glimpse of a future where digital actors will compete against live ones.
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"The right whales are at a point where more are dying than are being born," biologist Clay George says. "That's just not sustainable long-term."