The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
If the chemical sodium is dropped into water it will immediately and violently explode.
67
According to studies, men change their minds two to three times more often than women.
72
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3