Meteor Impact Site | National Geographic

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Some say the meteor that struck the Yucatan peninsula killed off dinosaurs and led to the development of present-day mammals. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you …

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Genius Bird | National Geographic

NULL Genius Bird | National Geographic thumbnail

An ornithologist devises a test to see how clever ravens really are. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past …

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