Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Our bodies are like museums of evolution. We walk on two legs ...

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic story traces back at least to Charles Darwin, the English naturalist who ...

For years, the appendix was brushed off as a useless leftover from human evolution. Many of us grew up believing that it served no real purpose and was better off removed at the first sign of trouble.

Why we have body parts we don't need is simple. According to the Harvard Health website, they were most likely necessary at one point but eventually became nonessential through evolution. Apparently, ...