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Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.

Adrian Bartos, or "Stretch Armstrong," is an internationally recognized DJ, cultural pioneer, and the co-host of NPR's podcast What's Good with Stretch and Bobbito. In the show, Stretch and Bobbito interview cultural influencers, bringing their warmth, humor, and a fresh perspective. In the 1990s, radio duo Stretch and Bobbito were pivotal figures in the evolution of hip-hop as a worldwide cultural phenomenon.

Robert "Bobbito" Garcia, also known as world-renowned DJ Bobbito Garcia, is the co-host of NPR's podcast What's Good with Stretch and Bobbito. In the show, Stretch and Bobbito interview cultural influencers, bringing their warmth, humor, and a fresh perspective. In the 1990s, radio duo Stretch and Bobbito were pivotal figures in the evolution of hip-hop as a worldwide cultural phenomenon.

David Welna is NPR's national security correspondent.

David Greene is an award-winning journalist and New York Times best-selling author. He is a host of NPR's Morning Edition, the most listened-to radio news program in the United States, and also of NPR's popular morning news podcast, Up First.

Rebecca Ramirez (she/her) is the founding producer of NPR's daily science podcast, Short Wave. It's a meditation in how to be a Swiss Army Knife, in that it involves a little of everything — background research, finding and booking sources, interviewing guests, writing, cutting the tape, editing, scoring ... you get the idea.

Shankar Vedantam is the host and creator of Hidden Brain. The Hidden Brain podcast receives more than three million downloads per week. The Hidden Brain radio show is distributed by NPR and featured on nearly 400 public radio stations around the United States.

Heidi Glenn has been the Washington Desk’s digital editor since 2022, and at NPR since 2007, when she was hired as the National Desk’s digital producer. In between she has served as Morning Edition’s lead digital editor, helping the show’s audio stories find life online.

Michaeleen Doucleff, PhD, is a correspondent for NPR's Science Desk. For nearly a decade, she has been reporting for the radio and the web for NPR's global health outlet, Goats and Soda. Doucleff focuses on disease outbreaks, cross-cultural parenting, and women and children's health.

Christopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.