From the infamous Hannahs sweets exam question to percentages life-hacks, viral math problems seem to capture the public's imagination without fail. This is often because they blow people's minds with their logic, or there are multiple answers, or no answer or at all, or they are just generally wacky. The same people who will openly celebrate that they never got math will fight tooth and nail with their Auntie on Facebook over whether the answer to 60 + 60 x 0 + 1 is 61 or 1 (it's 61, by the way.). Why do friends and relatives who would glaze over in a math lesson pile into a discussion with strangers on social media over why the grey elephant comes from Denmark? Math teacher and award-winning science communicator Kyle D Evans wants to explore exactly what it is about viral social media puzzles that is so appealing.