Ever Heard About on Instagram: "Stay with us and see what the world hasn’t @everheardabout yet. Hidden deep within Antarctica’s McMurdo Dry Valleys lies one of the most unusual natural phenomena on Earth: Blood Falls. Despite its dramatic appearance, the glacier isn’t bleeding. The vivid red color comes from ancient subglacial water rich in iron and sealed off from the outside world for more than a million years. When this trapped brine finally finds a path to the surface, it meets oxygen for th

Here's everything you need to know about cryogenic freezing

Liquid oxygen - Alchetron, The Free Social Encyclopedia