Can't stop humming that tune? Thank math.

Popular Science 

Can't stop humming that tune? A lot goes into the successful'earworms,' including mathematical symmetry. Breakthroughs, discoveries, and DIY tips sent six days a week. While Super Bowl LX is over, the big game still echoes in the minds of many viewers. It's not your fault if a 30-second advertisement spot's melodic hook continues to keep you up at night, however.