The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Pumice is the only rock that floats on water.
14
Out of all the senses, smell is most closely linked to memory.
146
Sound travels fifteen times faster through steel than through air.
134
Your brain is 80% water.
525
Diamonds can be shattered with a hammer.
-104
A 'jiffy' is an actual unit of time for 1/100th of a second!
66