Coming up, a team of doctors successfully conducts surgery on a baby still inside the womb. How did they do it? Also, what does SpaceX's Falcon 9 rocket collision with the Moon mean for future space missions; how the bright lights and loud sounds of gambling machines promote higher risk-taking; and the deadly cyclosporiasis parasite that's causing bouts of explosive diarrhoea across the globe. Like this podcast? Please help us by supporting the Naked Scientists