Most dust particles in your house are made from dead skin!
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Iron weighs more after it rusts.
16
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
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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A ball of glass will bounce higher than a ball made of rubber.
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