Dinosaur poop—possibly from a juvenile T. rex or Nanotyrannus—containing feathers, bone fragments, and fish scales provides a ...
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When an asteroid collided with Earth 66 million years ago, spewing clouds of dust into the air and creating hellish conditions for every living thing on the planet, all the large dinosaurs perished.
As a graduate student, Karen Chin worked on a dinosaur dig site in Montana with the renowned paleontologist Jack Horner. Her job was to cut thin sections from fossilized skeletons in order to ...