One cubic foot of gold weighs more than 1,200 pounds!
78
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Pure water (H2O) does not conduct electricity on its own.
46
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Balsa wood is classified as a hard wood!
41