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3,619,834 views | Jack Horner • TED2011 Building a dinosaur from a chicken Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking living descendants of the dinosaur (chickens) and genetically engineering them to reactivate ancestral traits — including teeth, tails, and even hands — to make a "Chickenosaurus". Become a TED Member Want to hear more great ideas like this one? Sign up for TED Membership to get exclusive access to captivating conversations, engaging events, and more! This talk was presented at an official TED conference. TED's editors chose to feature it for you. Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking living descendants of the dinosaur (chickens) and genetically engineering them to reactivate ancestral traits — including teeth, tails, and even hands — to make a "Chickenosaurus". This talk was presented at an official TED conference. TED's editors chose to feature it for you. About the speaker Jack Horner and his dig teams have discovered the first evidence of parental care in dinosaurs, extensive nesting grounds, evidence of dinosaur herds, and the world’s first dinosaur embryos. He's now exploring how to build a dinosaur.
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AnnMarie Thomas: AnMari Tomas: Nauka iz prve ruke uz pomoć gnjecavih kola U energičnom pregledu na TED U, AnMari Tomas pokazuje kako različiti sastojci plastelina kućne izrade mogu biti korišćeni u prikazivanju mogućnosti električne energije — uključenjem LED dioda, pokretanjem motora i kako ona prave dizajnere od naših najmlađih. Similar topics - Ted conference - Education - Science - Technology - Toy Related talks Discuss Enthusiastically agree? Respectfully beg to differ? Have your say here.