Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In zero gravity, a candle's flame is round and blue.
16
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21