Podcast: A mysterious language, the predictability of evolution, and the link between dirty air and asthma

Where did the mysterious Basque language really come from? Does dirty farm dust protect against asthma? And what can flying ants tell us about the predictability of evolution? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi. Plus, Seth Bordenstein discusses how our genes affect the composition of our microbiome, influencing our health.