At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Iron weighs more after it rusts.
16
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound at the right vibration can bore holes through a solid object.
134
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
No matter how cold it gets, gasoline will not freeze.
107
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117