A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Cold water weighs more than hot water.
93
One barrel of petroleum holds 42 gallons.
20
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Most dust particles in your house come from dead skin.
48