The tale of Walter White, high-school chemistry teacher turned meth kingpin, ended on Sunday, leaving us with only memories, an almost preposterously high body count, and science. _Breaking Bad _wasn’t always flawlessly accurate (why would you use hydrofluoric acid to dissolve a body?), but even when it reached for the crutch of artistic license, it remained grounded in fact. Here we’ve put together six science lessons we learned from Professor White.
_Editor’s note: We do not endorse cooking meth, making explosives, or mixing poisons. Please do not attempt any of the things in this gallery. Seriously, never do these things. _