How critical is a body part or its function? We began with a simple observation: Different body parts and functions have ...

Most of us never get to see the inner workings of our bodies. Sometimes we get tiny glimpses when our bodily fluids make an appearance in the outside world—like a runny nose, a bleeding paper cut. But ...

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

The Greeks believed your thymus was home to your soul. In fact, thymus means “soul” in Greek. While no studies have proved that to be the case, your thymus does play an important role in your immune ...

The Bible’s lex talionis – “Eye for eye, tooth for tooth, hand for hand, foot for foot” (Exodus 21:24-27) – has captured the human imagination for millennia. This idea of fairness has been a model for ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...