Spark a chemical reaction with a sophisticated interpretation of our body's "pleasure" compound, dopamine. When this neurotransmitter is released, research shows, it lets us savor the little joys in life. The modern pendant, designed by Emily Ball, is cast in sterling silver, features the molecule's makeup in a subtle imprinted pattern, making it an eye-catching conversation piece for anyone who knows there's a science to style. 18" sterling silver chain with a 2" extender. Made in Bellmore, New York.