Your brain is 80% water.
525
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Diamonds can be shattered with a hammer.
-104
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
Research indicates that plants grow healthier when they are stroked.
173
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61