Sound travels about 4 times faster in water than in air.
408
Hot water can freeze faster than cold water.
181
The storage capacity of human brain exceeds 4 Terrabytes.
140
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Nearly 50% of the world's scientists are assigned to military projects.
71
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
