A ball of glass will bounce higher than a ball made of rubber.
73
One cubic foot of gold weighs more than 1,200 pounds!
78
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Diamonds can be shattered with a hammer.
-104
Each day, up to 150 species of life become extinct.
-23
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9