Jack Horner:
Jack Horner: crear un dinosauro a partires dun polo

TED2011 · 16:36 · Filmed Mar 2011
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O famoso paleontólogo Jack Horner pasou a súa carreira tentando reconstruir un dinosauro. Ten atopado fósiles con vasos sanguíneos extraordinariamente ben conservados, e tecidos moles, mais nunca ADN intacto. Por iso, nun novo enfoque, está tomando descendentes vivos dos dinosauros (os polos) e modificándoos xenéticamente para reactivar trazos ancestrais -incluíndo dentes,colas, e mesmo mans- para facer un "Polosaurus".

Dinosaur digger
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. Full bio
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