Condoms were originally made of animal intestines or linen.
347
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Ants tend to survive in a microwave because they find the coolest spot and wait!
17