There are millions of things you don’t know about this world: Immortal creatures do exist, some monks can increase their body temperature enough to dry soaking sheets in a freezing room and there is a super weird cure for hiccups, just to name a few. Stuff you would never believe is happening for real and the facts will astound you.

Here is a collection of 20 amazing facts that your probably didn’t know.

There Are Creatures That Could Survive In Space

Tardigrades (commonly known as waterbears or moss piglets) are small, water-dwelling, segmented animals with eight legs that can survive in extreme environment and have the ability to endure over 1000 times more radiation compared to other animals.

These creatures can survive temperatures of close to absolute zero (−273 °C (−459 °F)),temperatures as high as 151 °C (304 °F), can live a decade without water and according to recent studies, could stay alive even in space.