For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house are made from dead skin!
67
Your brain is 80% water.
525
Iron weighs more after it rusts.
16
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Scientists aren't sure what color dinosaurs were.
312
Diamonds can be shattered with a hammer.
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