Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels about 4 times faster in water than in air.
408
No matter how cold it gets, gasoline will not freeze.
107
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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38