When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
No matter how cold it gets, gasoline will not freeze.
107
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A cesium atom in an atomic clock beats over nine billion times a second.
43
The only letter not appearing on the Periodic Table is the letter "J".
180