Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Diamonds can be shattered with a hammer.
-104
The average temperature at 40,000 feet above sea level is -60 F.
56