The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The average home creates more pollution than does the average car.
33
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18