Sound travels fifteen times faster through steel than through air.
134
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
According to studies, men change their minds two to three times more often than women.
72
Liquid TIDE laundry detergent glows under a blacklight.
96
Sound travels about 4 times faster in water than in air.
408
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51