Stem Cell Treatments for Diabetes and a Dolphin’s Smile

Hurricane Helene’s death toll continues to rise. Marburg virus is spreading in Rwanda, but risks for a global outbreak are low. Researchers in Beijing used stem cell treatments to reverse diabetes in a patient. Plus, we discuss a map of a fruit fly’s brain and dolphin smiles. Recommended reading: Hurricanes Kill People for Years after the Initial Disaster https://www.scientificamerican.com/article/hurricanes-kill-people-for-years-after-the-initial-disaster/  See an Amazingly Detailed Map of the Fruit Fly Brain https://www.scientificamerican.com/article/see-an-amazingly-detailed-map-of-the-fruit-fly-brain/  E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman. Our show is edited by Anaissa Ruiz Tejada with fact-checking by Shayna Posses and Aaron Shattuck.  The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices