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 a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8