<p>Squabbles big and small: A dining room turns two besties into lifelong enemies; a researcher embraces the panda craze; and why some dinosaur skulls were built to take a beating.</p>

Gaming the System

More than 154 million treasures fill the Smithsonian’s vaults. But where the public’s view ends, Sidedoor begins. With the help of biologists, artists, historians, archaeologists, zookeepers and astrophysicists, host Lizzie Peabody sneaks listeners through the Smithsonian’s side door, telling stories that can’t be heard anywhere else. Check out si.edu/sidedoor and follow @SidedoorPod for more info. 