In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55