Leap day doesn't happen every 4 years. On a span of 400 years, there are only 97 leap days, not 100
Pain travels at a speed of 3,000 feet per second.
Gasoline was once sold in small bottles specifically to cure lice.
100 million years ago, a day was only 21 hours long, not 24.
The botanical name of the chocolate plant is Theobramba cacao, which means "Food of the Gods."
Scientists have found that chocolate has a chemical that helps counteract depression.
When the moon is directly overhead, you weigh slightly less.
Pufferfish poison is 500 times stronger than cyanide.
The scientific term for picking one's nose is `rhinotillexonamia`.
The greatest amount of bacteria on your body can be found between your toes.