Big hair? Bald? How much difference your hair really makes to keep you cool or warm
We have millions of hair follicles on our body, including around 100,000 on our scalp. This might sound like a lot of hair, yet humans are described as “hairless”. We have evolved to be the only mammals with a relatively hairless body, but still with scalp hair. So how does your hair affect your body … [Read more…]