Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels fifteen times faster through steel than through air.
134
Hot water can freeze faster than cold water.
181
Aluminum used to be more valuable than gold!
84
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
Scientists aren't sure what color dinosaurs were.
312
Your brain is 80% water.
525
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18