The octopus does not have a blind spot.
273
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Dogs sometimes fake being sick to get attention.
26
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79