One 75-watt bulb gives more light than three 25-watt bulbs.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57