A pilot study showed that providing 100% oxygen during deferred cord clamping for extremely preterm infants reduced risk of ...

If you've ever been on a flight, you've heard about the oxygen masks that may drop down, but did you know they only have a few minutes worth of air? Here's why.

The air at high altitudes is thin, and oxygen levels very low, so aircraft have clever systems in place to keep cabin pressure at a level equivalent to an altitude of around 1524 to 2438 meters.