If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

The truth about male nipples and armpit hair. June 4, 2014— -- intro: Every day, people have their tonsils, appendix, and wisdom teeth removed--and after the pain subsides, they proceed without a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each human is a ...

Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible? A team of researchers at ChristianaCare's Helen F. Graham Cancer Center & Research ...