Federico Rossano, director of the Comparative Cognition Lab at UC San Diego, joins the show to look at whether dogs do miss people when they're not with them.
Frances Manwaring refuses to accept that we age out of visibility. Her latest book, 'Never Succumb to Beige' is not only a personal philosophy, but a rallying cry to those who fear becoming invisible as they get older.
Mary Argue is back guiding us through the latest weird and wonderful headlines from the world of science including the many universes that could be created with every decision we make - among other things.