Early American humans hunted car-size armadillos and used their shells for houses.
12
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Sharks have been on the planet longer than trees.
14
Dolphins have names for one another.
18
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Lurch, a Watusi bull, had the largest horns in the world.
32
Condoms were originally made of animal intestines or linen.
347