Public Speaking Videos

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	Musk Ox vs. Wolves Posted by: NationalGeographic Video duration: 135 seconds Musk oxen try to protect their young from a pack of arctic wolves. See all National Geographic videos: http://video.nati onalgeographic.com/v ideo/?source=4001 Related: artic, musk, oxen, wolf

	Bull Sharks Posted by: NationalGeographic Video duration: 173 seconds Bull sharks are known man-eaters. Crittercam goes with them to see how they hunt. See All National Geographic Videos http://video.nationa lgeographic.com/vide o/?source=4001 Related: attack, bull, crittercam, fish, hunt, ocean, sea, shark

	Musk Oxen vs. Arctic Wolves Posted by: NationalGeographic Video duration: 135 seconds Musk oxen try to protect their young from a pack of arctic wolves. See All National Geographic Videos http://video.nati onalgeographic.com/v ideo/?source=4001 Related: arctic, attack, musk, oxen, pack, protect, wolves

	Inside the Tornado Posted by: NationalGeographic Video duration: 260 seconds More than 1000 tornadoes touch down in the US every year. When most people are running away, one team of scientists heads straight for the action. See All National Geographic Videos http://video.nati onalgeographic.com/v ideo/?source=4001 Related: environment, inside, science, storm, tornado, weather

	Deadly Mates: Black Widow Spider Posted by: NationalGeographic Video duration: 123 seconds If you think the dating world of humans is tough, check out the love life of black widows, where one misstep can lead to a lethal end. See All National Geographic Videos http://video.nati onalgeographic.com/v ideo/?source=4001 Related: black, lethal, mate, spider, widow

	Japan Geishas Posted by: NationalGeographic Video duration: 153 seconds Geishas...are they artists or courtesans? Glimpse into the secret lives of this mysterious beauties and their ancient rituals See All National Geographic Videos http://video.nati onalgeographic.com/v ideo/?source=4001 Related: ancient, artist, courtesan, geisha, japan, mystery, ritual

Great Pyramid Mystery Solved? Posted by: NationalGeographic Video duration: 291 seconds How were the blocks raised to the top of the 489ft Great Pyramid? An architect develops a theory about a snaking internal ramp that's been hidden inside the pyramid for 4500 years. Unlocking the Great Pyramid : SUN NOVEMBER 16 9P et/pt Related: adventure, ancient, anthropology, archaeology, burial, egypt, egyptoloy, events, exploration, forensics, great, history, investigat, kings, lost, of, pharaoh, pyramid, the, unwrapped, valley, world, worlds

	Self-Recognition in Apes Posted by: NationalGeographic Video duration: 327 seconds Researchers set up tests to show that great apes can recognize themselves in the mirror. Human Ape : MON MARCH 17 8P et/pt : http://channel.natio nalgeographic.com/ch annel/videos/?source =4003 Related: animals, ape, apes, human, humans, man, recognition, recognize, self

Deadly Crystal Cave Posted by: NationalGeographic Video duration: 344 seconds A team of scientists explore a Mexican cave filled with giant crystals; some of the largest ever discovered. With temperatures near 120 degrees and over 80 percent humidity, the cave is one of the deadliest environments on earth. Giant Crystal Cave : SUN OCTOBER 12 9P et/pt : http://channel.natio nalgeographic.com/ep isode/giant-crystal- cave-3569/Overview/? source=4003 Related: adventure:, boston, chris, crystal, expeditions, exploration, geolog, gypsum, landscape, lauritzen, mars, mckay, nasa, penny, science, stein-erik, surreal, technology:

	Ice Trek Meets Polar Bears, More Posted by: NationalGeographic Video duration: 355 seconds National Geographic explorers take a three-month adventure through ice and Arctic waters to reach the islands of Franz Josef Land north of Russia. Related: adventure, franz, ice, josef, land, russia, trek

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