Why our human eyebrows are the best brows of all

The slightly modified image you see at the head of this article shows a skull designated Kabwe-1. This skull was discovered by Tom Zwiglaar in 1921, and is unique in several fairly obvious ways. This skull is one of the oldest known to have tooth cavities – they didn’t have a lot of toothbrush knowledge back 300,000 years ago. The … Continue reading