Cold water weighs more than hot water.
93
One third of the electricity produced on earth is used to power electric light bulbs!
75
Pumice is the only rock that floats on water.
14
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
Research indicates that plants grow healthier when they are stroked.
173
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116