The update is intended to cut the risk of endobronchial combustion that has been linked to serious injuries and one death.

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

On a clear polymer chip, soft and pliable like a gummy bear, a microscopic lung comes alive — expanding, circulating, and, for the first time, protecting itself like a living organ. “That was the ‘wow ...