After losing his feet in an accident in the 1880s, South Africa railway worker James "Jumper" Wide found an unlikely friend in a baboon named Jack. In this week's episode of the Futility Closet podcast we'll learn how Jumper taught Jack to work as a signalman on the railway line, where he won the trust of both authorities and passengers.We'll also meet an Englishman who dreamed the winners of horse races, ponder the strange case of the Stringfellow Acid Pits, and present the next Futility Closet Challenge.