With Valentine’s Day only a few heartbeats away, love is in the air. At least it better be if you’re a Luna Moth.

Luna Moths live only a few days as adult insects, and this brevity adds a certain urgency to the mating time-table. Female Luna Moths emit powerful chemical attractants known as pheromones, which differ from other olfactory messages. Their pheromones draw potential suitors from literally miles away.

Do we emit and respond to pheromones, too? Scientists do not agree about whether pheromones are part of the human sensory spectrum.

But here’s one thing we do know: it’s never a bad idea to smell good, especially when you’re looking for love.