The Simpsons are yellow because creator Matt Groening thought it was a good way to catch channel surfer’s attention when they saw a flash of yellow.
3
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Bats sleep 18-20 hours per day.
5
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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