Indoor pollution is 10 times more toxic than outdoor pollution.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists aren't sure what color dinosaurs were.
312
Pumice is the only rock that floats on water.
14
Most dust particles in your house come from dead skin.
48
Out of all the senses, smell is most closely linked to memory.
146
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