Talking Monkeys and Forming Fossils

Can we engineer monkeys to talk? Why do parrots have the ability to say words? What happens underground to form a fossil? We tackle these questions this week on Ask the Naked Scientists.We also find out if one gene can determine your sexuality, investigate if drinking hard water can stiffen your heart, and work out what separates a piece of string from a length of rope. Like this podcast? Please help us by supporting the Naked Scientists