The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Nearly 50% of the world's scientists are assigned to military projects.
71
Liquid TIDE laundry detergent glows under a blacklight.
96
Most dust particles in your house come from dead skin.
48
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Balsa wood is classified as a hard wood!
41
Diamonds can be shattered with a hammer.
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