The human body is constantly evolving, adapting over time to changing conditions as necessary. However, it has only adapted to what it has experienced on the surface of the Earth. The human body isn't ...

Today on CNN 10, we get an in-depth look at what makes the Black Sea strategically important between Russia and the West. We also take a look at one startup's plan to have people living underwater by ...

Scientists imagine a future human evolved to live underwater, borrowing traits like collapsible lungs and skin teeth from deep-sea creatures. This radical transformation could enable true ocean ...