The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Each day, up to 150 species of life become extinct.
-23
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house come from dead skin.
48
Iron weighs more after it rusts.
68
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
One 75-watt bulb gives more light than three 25-watt bulbs.
57