National Geographic grantee and ethologist Joyce Poole uses citizen science and Web technology to bring elephant conservation into the 21st century.

video.nationalgeographic.com/video/animals/mammals-animals/elephants/poole-elephants-lecture-nglive/

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Researchers have found that elephants have hundreds of distinct signals and gestures. Elephant biologist and conservationist Joyce Poole and her husband, Petter Granli, founders of ElephantVoices, developed an online database of those signals, as describe

video.nationalgeographic.com/video/animals/mammals-animals/elephants/elephant-gestures-play/

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April 30, 2013—NASA's Cassini spacecraft captured high-resolution pictures of a large, mysterious hurricane over Saturn's North Pole. The eye of this huge storm is 1,250 miles across with cloud speeds as fast as 330 miles per hour.

video.nationalgeographic.com/video/news/space-technology-news/nasa-saturn-hurricane-vin/

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Find out about Christopher Columbus and his famous journey to the New World.

video.nationalgeographic.com/video/kids/history-kids/christopher-columbus-kids/

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ith its giant digging claws, the pangolin is nature's backhoe. And a long, sticky tongue—capable of slurping up thousands of ants or termites every day—makes it the scourge of the bug world.

video.nationalgeographic.com/video/animals/mammals-animals/other-mammals/weirdest-pangolin/

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View free videos from National Geographic, featuring animal videos, science and space videos, shark videos, lion videos and other popular video content.

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Find out how a tsunami is born ... and how it destroys.

video.nationalgeographic.com/video/environment/environment-natural-disasters/tsunamis/tsunami-101/

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March 5, 2013—Researchers with the Cornell Lab of Ornithology capture video of newborn Spoon Billed Sandpiper chicks. This critically endangered Asian shorebird could go extinct within ten years.

video.nationalgeographic.com/video/news/animals-news/spoon-billed-sandpiper-vin/

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March 5, 2013—Researchers with the Cornell Lab of Ornithology capture video of newborn Spoon Billed Sandpiper chicks. This critically endangered Asian shorebird could go extinct within ten years.

video.nationalgeographic.com/video/news/animals-news/spoon-billed-sandpiper-vin/?source=vidcarousel

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January 15, 2013—National Geographic's Crittercam team deployed cameras onto humpback whales and, amazingly, captured them bottom-feeding.

video.nationalgeographic.com/video/news/ng-on-assignment/humpback-whales-bottom-feeder-ngoa/

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You think you've got a sweet tooth. Australia's sugar gliders can leap the length of a football field, all for savory substances like nectar, tree sap, insects, and seeds.

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Meet a man whose roommates are a pair of river otters.

video.nationalgeographic.com/video/kids/animals-pets-kids/wild-detectives-kids/wd-ep2-otters/

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December 17, 2012—On the Eastern Cape of South Africa, a National Geographic explorer races to save parrots ravaged by a deadly virus.

video.nationalgeographic.com/video/news/ng-on-assignment/parrots-deadly-virus-ngoa/

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View free videos from National Geographic, featuring animal videos, science and space videos, shark videos, lion videos and other popular video content.

video.nationalgeographic.com/video/specials/nat-geo-live-specials

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December 20, 2012—In the ruins of the Maya city Xultun, a National Geographic explorer has uncovered written calculations that contradict the supposed prediction that the world will end on December 21.

video.nationalgeographic.com/video/news/ng-on-assignment/debunking-maya-doomsday-ngoa

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Six feet long and always hungry, the Humboldt squid, aka the "red devil," is one of the most dangerous yet intelligent predators of the deep.

video.nationalgeographic.com/video/animals/invertebrates-animals/octopus-and-squid/humbolt_squid/

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December 14, 2012—In a cave in Mexico's Yucatán, a National Geographic explorer reveals what is believed to have been an underground observatory for witnessing the zenith passage of the sun.

video.nationalgeographic.com/video/news/latest-news/maya-zenith-passage-vin/

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November 22, 2009—A football octopod and a piglet squid are just a few of the bizarre deep-sea creatures uncovered during the ten-year Census of Marine Life, which ends in 2010.

video.nationalgeographic.com/video/news/animals-news/marine-census-graphics-vin/

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December 6, 2012—In the Brazilian Cerrado, a National Geographic explorer is studying how bearded capuchin monkeys learned to expertly use stone tools to crack open palm nuts.

video.nationalgeographic.com/video/news/ng-on-assignment/monkey-nut-crackers-ngoa/

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