In this episode of '5 Good News Stories,' Johnny Mac shares a collection of heartwarming and inspiring tales that bring a little more positivity into the world.The stories feature an accidental roof replacement that ended on a positive note, a significant scientific breakthrough at Pennsylvania State University where scientists have successfully 3D printed human skin tissue for wound treatment, an Oscar-winning documentary short 'The Last Repair Shop' spurring donations for a music repair program in Los Angeles, a college student named Connor who won a new car by making a 94-foot putt at a basketball game, and a couple named Mark and his wife who discovered a lost lottery ticket worth $50,000.  Ice Cream and Good News: A Perfect ComboUnexpected Roofing Surprise for Scott and DebraInnovations in Medicine: 3D Printed Human SkinOscars Night: Celebrating Musical EducationAuburn University's Halftime HeroThe Lost Lottery Ticket Saga