Pure water (H2O) does not conduct electricity on its own.
46
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
Billions of neutrinos pass unnoticed through your body every second.
6
Most dust particles in your house are made from dead skin!
67
The bark of an older redwood tree is fireproof.
65
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39