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
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The sun is 330,330 times larger than the earth.
75
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Out of all the senses, smell is most closely linked to memory.
146
No matter how cold it gets, gasoline will not freeze.
107