Scientists aren't sure what color dinosaurs were.
312
Cold water weighs more than hot water.
93
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A cesium atom in an atomic clock beats over nine billion times a second.
43
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
