Keratin is the tough protein that forms hair, nails and hooves. It’s also responsible for something far stranger: human horns.
Paleontologists have suspected some dinosaurs might have had horse-like hooves, which are good for running ... The fossils ...
As 1930 dawned, bringing in the Great Depression and a decade of lawlessness spawning the likes of Machine Gun Kelley, Alvin Karpis and John Dillinger, ...
What breed of horse did the Headless Horseman ride through Sleepy Hollow in Ichabod Crane's classic spooky legend?
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