A ball of glass will bounce higher than a ball made of rubber.
73
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
4.5 pounds of sunlight strike the Earth each day.
27
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Cold water weighs more than hot water.
93
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9