Scientists aren't sure what color dinosaurs were.
312
One 75-watt bulb gives more light than three 25-watt bulbs.
57
No matter how cold it gets, gasoline will not freeze.
107
Nearly 50% of the world's scientists are assigned to military projects.
71
One barrel of petroleum holds 42 gallons.
20
A cubic yard of air weighs about 2 pounds at sea level.
31
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