What is hair? What's it made of? Why do we have so much of it? Why don't chimps have as much? Why is some hair curly? All this and more are answered this month on Be More Specific!
What is hair? What's it made of? Why do we have so much of it? Why don't chimps have as much? Why is some hair curly? All this and more are answered this month on Be More Specific!
Sources
Why curly hair was an evolutionary advantage
No Paywall - Chached Version of above
The Naked Truth: Why Humans Have No Fur - Scientific American
Why Did Humans Lose Their Fur? | Science| Smithsonian Magazine
How Do Different Types of Hair Dye Work? The Science
Why Don’t Chimpanzees Have Long, Luscious Locks? | Smart News| Smithsonian Magazine