After dropping chemistry post-GCSEs, I find myself reading a couple of books about perfume construction that have made me realise that molecules are interesting, and that if they're written about for a non-scientific audience, I understand and am engaged by them more. How can I learn more without being scared off by Really Hard Science? And are there other books or articles which deal with the construction of scents and smells? [more inside]
posted by mippy on Jan 2, 2013 - 6 answers

How flexible are y'all with expiration dates on food? [more inside]
posted by geegollygosh on Feb 14, 2011 - 32 answers

I'm thinking of getting a tattoo of a bunch of organic molecules that represent positive traits, feelings, etc. More along the lines of serotonin representing happiness than ethanol or caffeine representing happiness. What are your ideas for emotions/ traits and their corresponding chemicals?
posted by i_am_a_fiesta on Feb 24, 2009 - 21 answers

ChemistryFilter: How can I use a molecular model that was given to me to learn about the wonders of chemistry? [more inside]
posted by PaulingL on Dec 28, 2008 - 9 answers

Brita filters: How do they work? There is much information about the fact that you need to keep the filter (partially comprised of activated charcoal, from what I can gather) in contact with water at all times. How does activated charcoal actually filter impurities? [More Inside] [more inside]
posted by fionab on Apr 18, 2004 - 8 answers