One barrel of petroleum holds 42 gallons.
20
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
4.5 pounds of sunlight strike the Earth each day.
27
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Billions of neutrinos pass unnoticed through your body every second.
6
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Diamonds can be shattered with a hammer.
-104