Jellyfish as a species are actually older than dinosaurs and sharks.
383
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Condoms were originally made of animal intestines or linen.
347