One third of the electricity produced on earth is used to power electric light bulbs!
75
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists aren't sure what color dinosaurs were.
312
One barrel of petroleum holds 42 gallons.
20
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
Sound travels about 4 times faster in water than in air.
408