Do penguins have flippers or wings? What\u2019s up with pebble gifts? Are they squishy or dense? And why why why are they so cute?\xa0 We sit down with renowned penguinologist Dr. Tom Hart, a research fellow with Oxford University, to chat all about life on Antarctica, penguin cities, icy cuddle parties, ocean camouflage and how to become a flightless bird. Dr. Hart is your new favorite penguinologist.