0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Nylon is made from coal and petroleum.
42
According to studies, men change their minds two to three times more often than women.
72
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
German chemists made a replica of a trophy the size of one molecule.
68