Thanks to a couple of Breaking Bad episodes from seasons 1 and 4, it’s possible that more people know about enantiomers than ever before. If you’re not a fan of the show or if you have forgotten a bit of organic chemistry, enantiomers are molecules that are non-superimposable mirror images of one another. As Walter mentions before losing his chemistry-teaching job, enantiomers are like a left and right hand. Try to wear a left glove on your right hand, and it does not fit. This is relevant to chemistry because although enantiomers share the same properties in a non-chiral environment, only one molecular version will bind to something like a neural or nasal receptor.
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