Karla Hostetler, the Director of the Mariposa Museum in Peterborough, NH, joins Nichole to talk about the re-opening of the museum's "Freedom Songs" exhibit, which takes a look at the American experience through Black art. Karen Hallisey-Pesa, the program director of Regis College's Dental Hygiene program, joins student Jordan Ferris to talk about their efforts to offer affordable dental care to residents in the Waltham area. WBZ's Laurie Kirby has details on a major grant recently awarded to researchers at two Boston-area hospitals studying how race affects breast cancer treatment and survival rates.