The Haenyeo, a group of all-female divers from the Korean island of Jeju, are renowned for their ability to dive in frigid waters without the aid of breathing equipment -- even while pregnant. A study ...

To survive on this wild planet we call home, humans need to adapt. That's not just a feat of strength of will, but of the body. To deal with different environmental pressures, our bodies change over ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An island 50 miles ...