The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Pure water (H2O) does not conduct electricity on its own.
46
Sound travels fifteen times faster through steel than through air.
134
According to studies, men change their minds two to three times more often than women.
72
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
Cold water weighs more than hot water.
93
The only letter not appearing on the Periodic Table is the letter "J".
180
Iron weighs more after it rusts.
68