Fur, Wool, Hair: What's the Difference?
Wednesday, May 11, 2016 - 09:30
in Biology & Nature
What makes a lion's mane different from a polar bear's coat, a boar's bristles or a ram's fleece — or even the hair on our own heads?
What makes a lion's mane different from a polar bear's coat, a boar's bristles or a ram's fleece — or even the hair on our own heads?