The Haenyeo women who dive deep into the East China Sea to harvest sea urchins and shellfish spend the most time underwater of any humans ever studied — one to five hours a day, researchers report ...

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 ...

A couple of years ago, Melissa Ilardo found herself aboard a motorboat traversing the ocean around Jeju Island, which sits some 50 or 60 miles off the coast of South Korea. Before the vessel had even ...