The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
German chemists made a replica of a trophy the size of one molecule.
68
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Pumice is the only rock that floats on water.
14
One ragweed plant can release as many as one billion grains of pollen!
51
Research indicates that plants grow healthier when they are stroked.
173