Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A group of unicorns is called a blessing.
304
The cat brain weighs about 30g.
167
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
