The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
For every gallon of sea water, you get more than a quarter pound of salt.
45
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Pure water (H2O) does not conduct electricity on its own.
46
Nearly 50% of the world's scientists are assigned to military projects.
71
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound at the right vibration can bore holes through a solid object.
134
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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