crystalqueerotter: bisexualnatasharomanoff: astrodidact: via ScienceAlert Titanium dioxide breaks down smog particles in the air, and students in the US have shown that in one year, one roof coated in it can break down the smog from a car that’s

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crystalqueerotter: bisexualnatasharomanoff: astrodidact: via ScienceAlert Titanium dioxide breaks down smog particles in the air, and students in the US have shown that in one year, one roof coated in it can break down the smog from a car that’s

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