The free travel program that helps American students discover unfamiliar parts of the US is expanding in a big way. This nature reserve in Tennessee is seeing new growth, thanks to goats. CNN’s Dr. Sanjay Gupta recaps the hopeful progress made this year on the procedure that could save countless lives. This year’s CNN Hero of the Year is proving flowers can be powerful in more ways than one. This state has a drunk driving problem – this nonprofit took steps to try to change that, and other states are taking notice. 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