Cats and dogs can hear ultrasound.
350
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
There are approximately three chickens for every human on Earth.
13
Jumping fleas can accelerate 50 times faster than the space shuttle.
218