Mental Floss

DISEASE















These cells are being studied and developed in numerous labs around the world to create human tissue and potentially treat a variety of human diseases and illnesses.

Jordan Rosenfeld


iStock.com/Paul Campbell

The human body is full of weird, gross and awe-inspiring stuff as we know it—but for people who lived when ideas were unbound by strict anatomical correctness, it was even more so. Here are 10 things people thought, and in some cases still think, were inh

Livius Drusus