World’s Strangest

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What Causes That “Fresh Cut Grass” Smell?

Lab image via Shutterstock Trauma, that’s what. It’s the smell of chemical defenses and first aid. The fresh, “green” scent of a just-mowed lawn is the lawn trying to save itself from the injury you just inflicted. Leafy plants release a number of volatile organic compounds called green leaf volatiles (GLVs). When the plants are injured, [...]