One 75-watt bulb gives more light than three 25-watt bulbs.
57
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The storage capacity of human brain exceeds 4 Terrabytes.
140
German chemists made a replica of a trophy the size of one molecule.
68
Diamonds can be shattered with a hammer.
-104
According to studies, men change their minds two to three times more often than women.
72
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5