Tag: keratin
How tough is a pangolin’s keratin scale armor?
Gregg Yan/Wikimedia Commons They’re scaly, they’re small, and they can curl up into a ball: Indeed, pangolins are curious little…
How did dinosaurs evolve to fly? The answer is (not) in your nails
•While it’s no mystery that many dinosaurs had feathers, we’re still not sure when and how they evolved to fly.…
