Do you have difficulty remembering choreography? Try spraying on some rosemary oil before rehearsal. A recent study at the University of Northumbria at Newcastle in the UK found that smelling the scent of rosemary could help boost your memory. Researchers think this might be due to eucalyptol, a compound found in rosemary oil that evaporates into the air and can be absorbed as you breathe, and has been shown to play a part in memory formation when it reaches the brain. One little spritz of rosemary won't magically transform you into a quick study, but it could help get you one step closer.