Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A cubic yard of air weighs about 2 pounds at sea level.
31
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The force of a suction cup is calculated using F=AP.
15
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Cold water weighs more than hot water.
93