There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A ball of glass will bounce higher than a ball made of rubber.
73
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108