A story in SFGate.com recently caught my eye – a biochemist by the name of Raven Hanna is making jewelry inspired by the chemicals that make our world go round.

For instance, her serotonin necklace features a pendant of this happy chemical to remind you to smile. The estrogen necklace is feminine, reflecting only the best side of this fickle hormone. Other chemical jewelry sports structures from our favorite indulgences: see her chocolate necklace, caffeine necklace (it even looks a little wired!), and red wine necklace.

You can buy these and other chemically inspired accessories at Raven’s Web site, madewithmolecules.com.