There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
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
A ball of glass will bounce higher than a ball made of rubber.
73