Cold water weighs more than hot water.
93
One 75-watt bulb gives more light than three 25-watt bulbs.
57
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The bark of an older redwood tree is fireproof.
65