Like Liam Neeson in Taken, Presh Talwalkar has a very specific set of skills. They don’t (as far as we know) include hunting down kidnappers and dispatching them in increasingly gruesome and ...

On his popular YouTube channel, MindYourDecisions, mathematician Presh Talwalkar frequently digs up samples of classic college entrance exams. Talwalkar challenges his followers to see how they’d fare ...

Here at Mental Floss, we love a good brain teaser—and clearly we’re not alone. From cows and chickens to river crossings, we’ve never met a riddle we didn’t want to solve—even if it was originally ...