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
Sound travels about 4 times faster in water than in air.
408
4.5 pounds of sunlight strike the Earth each day.
27
Each day, up to 150 species of life become extinct.
-23
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The storage capacity of human brain exceeds 4 Terrabytes.
140
Iron weighs more after it rusts.
16
Hot water can freeze faster than cold water.
181