At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Hot water can freeze faster than cold water.
181
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21