A ball of glass will bounce higher than a ball made of rubber.
73
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
According to studies, men change their minds two to three times more often than women.
72
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117