As short-term visitors to the awe-inspiring wonders of the underwater world, water has many dangers for our land-based physiology. Some you’ve probably heard of, such as “the bends” (or what is more ...

Plunging into the ocean depths will give you a new perspective on the planet—and make you fall in love with sharks. A scuba diver explores a cave inside Casa Cenote on Mexico’s Yucatán Peninsula. The ...

From the moment I took my first breath underwater as a scuba diver, I fell in love with the world that lives beneath the surface — I find absolute peace and tranquility when I relax in the water and ...