One third of the electricity produced on earth is used to power electric light bulbs!
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
No matter how cold it gets, gasoline will not freeze.
107
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
For every gallon of sea water, you get more than a quarter pound of salt.
45
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15