Have you ever looked at your phone and noticed that the time is 11:11 or 2:22 during a particularly life-changing moment? Or seen a series of digits, like 555, crop up in everyday contexts, such as on ...

Eeny, meeny, miny, mo, catch a tiger by the toe – so the rhyme goes. But even children know that counting-out rhymes like this are no help at making a truly random choice. Perhaps you remember when ...