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Mystery workplace allergy cured by working from home
How to etch iron without fancy tools
There is no chemical that will turn pool water a different color if you pee in it
E.P.A. won't ban chlorpyrifos pesticide that scientists say damages children's brains
Uri Shapira's beautiful formations of crystals and algae
Chemical reactions with macro photography
The other candidates photoshopped to have Trump's weird orange tan
Beautiful microscope photographs of drugs, legal and illegal: LSD, caffeine, GHB, meth, and more.
The history of sarin
What is dopamine?
Dopamine isn't "the pleasure chemical"
The sordid history of a perfect poison