In our all-BS episode, Claire presents part one of her two-part interview with Valerie Caron from the CSIRO about her research on dung beetles, including the native beetles that feed on marsupial poo and the search for beetles from overseas to tackle the dung of introduced species. And Chris gives a rundown on the legal case of physicist Peter Ridd, who was dismissed from James Cook University for criticising his colleagues' research that showed threats to the Great Barrier Reef, and whose appeal was recently heard in the High Court. Why is it always the physicists?