Can you survive if you run out of air?
BBC News,
* This story is featured in BBC Futures Best of 2019 collection.Discover more of our picks.
* This story is featured in BBC Futures Best of 2019 collection.Discover more of our picks.
There was a sickening crack when the thick cable connecting Chris Lemons to the ship above him snapped.
During surgery, anesthesiologists monitor and manage patients to make sure they are safe and breathing well.