A cubic yard of air weighs about 2 pounds at sea level.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Liquid TIDE laundry detergent glows under a blacklight.
96