Paleontologist Dr. Hans Sues answers the internet's burning questions about dinosaurs. Why did TRex have such tiny arms? What colors were dinosaurs? How do dinos get their names? What did Jurassic Park get wrong? Why do fossils exist? Dr. Sues answers all these questions and much more!

The Smithsonian National Museum of Natural History has more exciting dinosaur news on Instagram: @smithsoniannmnn (https://www.instagram.com/smithsonian...)

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