by Joseph Horn

In a very real, tangible, evolutionary way, we humans are a tropical species. Our genetic code speaks to this clearly as Africa has the greatest diversity of human genes—a marker of a species’ origin. So while you might feel most at home sitting on a bucket on a frozen lake pulling togue bare-handed through a hole in the ice, your ancestors evolved basking in the hot sun and stifling humidity of tropical Africa. As we slide ever closer to winter, how do we not freeze to death? Today, let’s take a little dive into keeping warm.