A brief tour of the last 4 billion years (dinosaurs not included) | Lauren Sallan

Visit to get our entire library of TED Talks, transcripts, translations, personalized Talk recommendations and more. In this hilarious, whirlwind tour of the last four billion years of evolution, paleontologist and TED Fellow Lauren Sallan introduces us to some of the wildly diverse animals that roamed the prehistoric planet (from sharks with wings to galloping crocodiles and long-necked rhinos) and shows why paleontology is about way more than dinosaurs. The TED Talks channel features the