30 percent different

Most humans perceive a given odor similarly. But the genes for the molecular machinery that humans use to detect scents are about 30 percent different in any two people, says neuroscientist Noam Sobel of the Weizmann Institute of Science in Rehovot, Israel. This variation means that nearly every person’s sense of smell is subtly different.

— Read more at Sense of smell is strictly personal, study suggests at ScienceNews.

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Summer is the time

Sanders, meanwhile, is of the mind that the best summer perfume should be casual. “It makes sense,” she says. “Do you really wear your most serious clothing in summer? Summer is the time to take Fridays off, stay up late and wear cheap sandals. Summer perfumes reflect that feeling.”

— Our own Angie, quoted in How to wear perfume in summer: what to cherish, what to avoid and why at The Guardian. Columnist Sady Doyle also talked to Victoria of Bois de Jasmin and Alyssa Harad of Coming to My Senses.