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where are the baby dinosaurs? in a spellbinding talk from tedxvancouver paleontologist jack horner describes how slicing open fossil skulls revealed a shocking secret about some of our most beloved dinosaurs.
这世界上的小恐龙都去了哪里?在温哥华的tedx大会上,古生物学家杰克·霍纳向我们讲述了他是怎样通过头骨化石切片技术发现了关于我们最爱的恐龙不为人知的秘密。