Pure water (H2O) does not conduct electricity on its own.
46
Cold water weighs more than hot water.
93
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
Diamonds can be shattered with a hammer.
-104
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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