We catch up with a woman who performed a butterfly wing transplant and hear about a breakthrough tracking tool that’s giving scientists an unprecedented look at the species. Nearly a year after devastating wildfires, small but powerful signs of recovery are beginning to reshape parts of Los Angeles. What began as a comedy show turned into a life-saving moment, and the start of an unexpected friendship. We check in on the gratitude trend that resonated far beyond one school’s hallway. Plus, after receiving a new heart, one athlete is still pushing limits and setting ambitious goals for the year ahead.  Sign up for the CNN 5 Good Things newsletter here.  Host/Producer: Krista Bo Polanco  Producer: Eryn Mathewson  Showrunner: Faiz Jamil  Senior Producer: Felicia Patinkin  Learn more about your ad choices. Visit podcastchoices.com/adchoices