Joe and Allan jump right in with ancient and modern uses of metals like lead, copper, and silver. History does repeat itself. Joe has lots to unpack with Critter Wars. Squirrels are back to their unfortunate ways in climbing, nesting, and chewing on power lines. Then, Joe has to deal with being the last yard before the street as all his neighbors are trying to run the moles out of their yards. Allan Has a few hints and tips. Larry Brown from Brown Refrigeration drops in to discuss all things HVAC and drops the bomb about another new refrigerant coming out in January.