Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists aren't sure what color dinosaurs were.
312
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
No matter how cold it gets, gasoline will not freeze.
107
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The left ear is more responsive to words of love and emotion whispered into it than the right.
40