Iron weighs more after it rusts.
68
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The force of a suction cup is calculated using F=AP.
15
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Each day, up to 150 species of life become extinct.
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