In this edition, we hear about a new hacker-based approach to solving healthcare problems with Christopher Lee from Cell Systems (00:00); how elephant seals use rhythm to communicate, with Isabelle Charrier from Current Biology (9:15); what neuroscientists can teach us about concussions, with Christopher Giza from Neuron (16:30); and tips on how to write a great scientific abstract with Brian Plosky (24:50).