TRILLIONS of cicadas are emerging. Math can tell us why… It's Okay to be Smart 05-26 740 0 TRILLIONS of cicadas are emerging. Math can tell us why… Visit Direct Link Share: Upvote 8 Category: Science Tags: cicadasemerging You Might Also Like Snowy days really are quieter (thanks to physics) Why is pee yellow? We finally know why pee is yellow This video is half a moment long Post comment Cancel reply Save my name, email, and website in this browser for the next time I comment.