Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Iron weighs more after it rusts.
16
Pure water (H2O) does not conduct electricity on its own.
46
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41