SciShow

SciShow

Did Dinosaurs Really Have Feathers? (2015x153)


Yayınlanma tarihi: Eki 12, 2015

At least one entire class of dinosaurs seems to have had feathers—including velociraptors, and probably T. rex. Find out how we know, and how we even know what color some of them were!

  • Prömiyeri: Oca 2012
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