A new study suggests that face masks have a negligible negative effect on the levels of carbon dioxide and oxygen that a person breathes. All data and statistics are based on publicly available data ...

The ordeal left passengers breathless. A pilot on an Air France flight had to enact an emergency landing after a dangerous loss in pressure prompted the flight crew to deploy oxygen masks. The Airbus ...

WASHINGTON, Nov. 29, 2021 — When oxygen masks drop from the airplane ceiling, they’re not connected to a big tank of gas. Instead, a chemical reaction supplies ...