Diamonds can be shattered with a hammer.
-104
Iron weighs more after it rusts.
16
The average temperature at 40,000 feet above sea level is -60 F.
56
Pure water (H2O) does not conduct electricity on its own.
46
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Aluminum used to be more valuable than gold!
84
Billions of neutrinos pass unnoticed through your body every second.
6