The Conversation: Marine debris recycling; Stem cell transplant

Mafalda de Freitas, megaplastics program director at the Center for Marine Debris Research at Hawaiʻi Pacific University, talks about Hawaiʻi's only marine debris recycling center; Donor Mariel Tadena, stem cell recipient Nicole Fabela, and Erika Sevilla, spokesperson for the National Marrow Donor Program, share their stem cell story