Henry Dudeney, a self-taught English mathematician and puzzle columnist, asked his readers to dissect an equilateral triangle into the smallest number of pieces that could be rearranged into a square.

Sophie Thatcher, Jasmin Savoy Brown, Courtney Eaton, Samantha Hanratty, Sophie Nelisse, and Liv Hewson of 'Yellowjackets' takes turns reading extremely complimentary tweets to each other in a very ...