If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Research indicates that plants grow healthier when they are stroked.
173
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
