There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The only letter not appearing on the Periodic Table is the letter "J".
180
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists aren't sure what color dinosaurs were.
312
