#oxygen-levels
3 Mizo docs save fellow passenger after O2 levels dip on Delhi-Aizawl flight
Three Mizo doctors saved a dialysis patient after SpO2 dropped to 40% on a Delhi-Aizawl IndiGo flight; steroids stabilized him before ICU care in Aizawl.
80% of Earth's Rivers Are Quickly Losing Oxygen, Study Reveals
Oxygen levels have decreased in almost 80 percent of rivers worldwide, and they're going to continue losing this precious resource unless we make some serious changes.