This week on Uncommon Sense,American science writerJennifer Ackermanjoined Amy Mullins in the studio to talk about her new bookThe Genius of Birds;Dr Richard Denniss,Chief Economist atThe Australia Institute spoke about his essay in The Monthly,Canberra Needs A Watchdog;Deputy Editor-in-Chief ofDer SpiegelDirk Kurbjuweit chatted aboutthe upcoming Bundestag elections in Germany; andNew Matildas political correspondentBen Eltham, discussed the week in federal politics.