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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The smell of freshly cut grass is actually a plant distress call.
31
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
The force of a suction cup is calculated using F=AP.
15
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5