They are the toughest known animals on Earth and now the secret to one of their superpowers – resistance to radiation – is out.

Tardigrades, also known as water bears or moss piglets, are tiny, eight-legged creatures that live in small bodies of water in habitats such as moss across the planet and are renowned for their extreme survival skills.

They can survive in the vacuum of outer space, withstand temperatures ranging from close to absolute zero to nearly 100°C, cope with pressures six times greater than those at the bottom of the deepest ocean and survive dehydration and being frozen for years on end.

Read more…