Each day, up to 150 species of life become extinct.
-23
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Nearly 50% of the world's scientists are assigned to military projects.
71
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The bark of an older redwood tree is fireproof.
65
Brass doorknobs automatically disinfect themselves in about 8 hours.
18