A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Nearly 50% of the world's scientists are assigned to military projects.
71
One cubic foot of gold weighs more than 1,200 pounds!
78
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The smell of freshly cut grass is actually a plant distress call.
31
The force of a suction cup is calculated using F=AP.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40