The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Iron weighs more after it rusts.
68
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Aluminum used to be more valuable than gold!
84
Diamonds can be shattered with a hammer.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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