Diamonds can be shattered with a hammer.
-104
If the chemical sodium is dropped into water it will immediately and violently explode.
67
For every gallon of sea water, you get more than a quarter pound of salt.
45
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
No matter how cold it gets, gasoline will not freeze.
107
