Why You Should Put Your Mask On First Hypoxia can settle quickly if you are 20’000 feet in the air so you gotta know the drill. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts 6 Chemical Reactions That Changed History Why Does Mars Have Blue Sunsets? The Truly Bizarre Border Between Canada and U.S.A Can Seawater Fix California’s Drought? Behold Chainsaw Proof Pants in Action These Vertical Farms Use No Soil and 95% Less Water