Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Diamonds can be shattered with a hammer.
-104
Hot water can freeze faster than cold water.
181
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
One cubic foot of gold weighs more than 1,200 pounds!
78
Pumice is the only rock that floats on water.
14