Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A ball of glass will bounce higher than a ball made of rubber.
73
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Iron weighs more after it rusts.
16
No matter how cold it gets, gasoline will not freeze.
107
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17