The earth is approx. 6,588,000,000,000,000,000 tons.
175
In zero gravity, a candle's flame is round and blue.
16
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Hot water can freeze faster than cold water.
181
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Billions of neutrinos pass unnoticed through your body every second.
6