Most dust particles in your house are made from dead skin!
67
Iron weighs more after it rusts.
68
The only letter not appearing on the Periodic Table is the letter "J".
180
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Sound travels fifteen times faster through steel than through air.
134
Diamonds can be shattered with a hammer.
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