Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cats and dogs can hear ultrasound.
350
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11