When you were in school, your classmate spreads a canard about you. It sounds juicy enough that many of your classmates believe it to be true and you are labelled with that for a long time, despite your repeated protestations. Mischief-makers online…

Do you know that mathematicians around the world are obsessed over one brand of chalk? Just Google ‘chalk mathematicians’ and you would stumble, from multiple sources, the astonishing story of how mathematicians are hoarding on a Japanese brand of chalk! The chalk…