Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
No matter how cold it gets, gasoline will not freeze.
107