Diamonds can be shattered with a hammer.
-104
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A cubic yard of air weighs about 2 pounds at sea level.
31
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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