Understanding ourselves and the world around us are some of the most profound questions everyone wrestles with. This collection of interviews was compiled with exactly that goal in mind. These ...

Aircraft cabins maintain a breathable environment by drawing air from engines, compressing and cooling it. This 'bleed air' ...

What happens to the body in the deep sea? You need oxygen to survive, but too much oxygen can be deadly. If you rise to the surface too quickly, nitrogen bubbles can form in your body and kill you.

When the submarine Nautilus in Jules Verne’s Twenty Thousand Leagues Under the Sea needed a new air supply, it came to the surface, blew noisily like a winded whale and filled its reservoirs with two ...

You step outside on a chilly winter morning, and something feels different. The air is crisp, biting, and yet smells unmistakably fresh. There’s a unique smell that’s hard to describe but instantly is ...