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
A cubic yard of air weighs about 2 pounds at sea level.
31
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The average home creates more pollution than does the average car.
33
Most dust particles in your house are made from dead skin!
67
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Pure water (H2O) does not conduct electricity on its own.
46