Why fruit flies could lead to better beer (video)

(American Chemical Society) Your beer may attract annoying fruit flies, but listen up before you give them a swat. Researchers found the yeast cells in beer are producing odor compounds -- acetate esters -- that lure flies and that could lead to the best beer you haven't even tasted yet. This week's Speaking of Chemistry explains why. Check it out at ://youtu.be/HQNlGuZvCvA.