The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Balsa wood is classified as a hard wood!
41
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Most dust particles in your house come from dead skin.
48
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound at the right vibration can bore holes through a solid object.
134