Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
For every gallon of sea water, you get more than a quarter pound of salt.
45
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Scientists aren't sure what color dinosaurs were.
312
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65