It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Condoms were originally made of animal intestines or linen.
347
The colossal squid has the largest eyes in the world.
4
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7