The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Hot water can freeze faster than cold water.
181
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Iron weighs more after it rusts.
68
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Research indicates that plants grow healthier when they are stroked.
173
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38