The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Each day, up to 150 species of life become extinct.
-23
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One cubic foot of gold weighs more than 1,200 pounds!
78
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
One 75-watt bulb gives more light than three 25-watt bulbs.
57