Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
Out of all the senses, smell is most closely linked to memory.
146
Iron weighs more after it rusts.
16
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114