The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
4.5 pounds of sunlight strike the Earth each day.
27
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
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
Sound travels fifteen times faster through steel than through air.
134
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Hot water can freeze faster than cold water.
181