A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
When dragonflies mate, their tails form a love heart.
22
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
The colossal squid has the largest eyes in the world.
4
There's a rare breed of pig that looks like a sheep.
14