December 6th, 2010
Episode 4 of 689 episodes
Under the microscope this week we've got the bacteria that made headlines by using arsenic instead of phosphorus; so is this a tantilising sign that life evolved on Earth more than once? We also hear how a patient with an inflammatory bowel disease treated himself with a dose of worms.
Welcome to the Brain Training Podcast, the daily audio workout for your head. In this podcast we have two games for you, each with three rounds which get progressively harder. To enjoy the full experience, relax, and avoid distractions whilst you listen.