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
Humans and dolphins are the only species that have sex for pleasure.
61
In the last 4,000 years, no new animals have been domesticated.
25
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A cockroach will live nine days without it's head, before it starves to death.
26
All polar bears are left handed
42
