When dragonflies mate, their tails form a love heart.
22
Early American humans hunted car-size armadillos and used their shells for houses.
12
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23