Sound travels about 4 times faster in water than in air.
408
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
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists aren't sure what color dinosaurs were.
312
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A cubic yard of air weighs about 2 pounds at sea level.
31
Balsa wood is classified as a hard wood!
41