Jan 25, 2014 09:21 Sperm-donor sisters share their story on NBC’s Today show Sperm-donor sisters share their story on NBC’s Today show Advocate staff photo by ELIOT KAMENITZ-- Tulane students Emily Nappi, left, and Mikayla Stern-Ellis discovered by accident they were half sisters. They are photographed on the Tulane campus in New Orleans, La. Sunday, Jan. 19, 2014. Nappi fixes Stern-Ellis's hair before having their photo made. Tulane freshmen discover shared sperm-donor father Advocate staff report Jan. 25, 2014 Comments Mikayla Stern-Ellis and Emily Nappi, the Tulane University students who discovered they share a sperm donor father after both moving to New Orleans from California and meeting one another, continue to draw media attention. Following articles in The Advocate and Tulane’s student newspaper, The Hullabaloo, the newfound sisters went on national television. On NBC’s Today show they again told their tale of how a Facebook post promoted them to compare information about their Columbian sperm donor father, confirming they were in fact half-sisters. Check out the video here.