The eventful history of the North American beaver, and how bringing them back may soften future floods and fires. Plus, Tim Revell joins us to look back at the top science stories of 2022. And, meet shimmering science-fiction-like worlds crafted with DNA data.

New research shines a light on how the medical community can better serve the disabled community. Plus, a new promising treatment for multiple myeloma. And we talk about our favorite sci-fi games of 2022.

Psychedelics have been booming recently. Science Friday answers listener questions about psychedelic research. Plus, AI art is all the rage on your social media feed these days. But for artists, the technology presents tricky ethical issues. And can North America save its birds?

We dive into the science behind the 2022 Nobel Prize in chemistry. Plus, the latest advancements in pig-to-human organ transplants. And what’s the science behind “swing” in jazz music?

Find out about the year’s best science books for kids. Plus, an indigenous scientist on what it might mean to heal, rather than conserve, endangered landscapes. And the winners of this year’s silliest science awards show.

Dr. Anthony Fauci will step down as head of the National Institute of Allergy and Infectious Diseases in December. He reflects on his career. Plus, a conversation with the director and one of the NASA stars of the Mars film “Good Night Oppy.” And across the U.S. this week, people voted on topics like healthcare, climate change infrastructure, and abortion.

The SciFri Book Club is back, with “Braiding Sweetgrass,” a book about rethinking our relationship with the living world. Plus, what will our third COVID winter look like? And why do cats purr?

In addition to intensifying hazards, climate change is already affecting mental health in a variety of ways. Plus, research at a sacred cultural site suggests no-fishing zones provide benefits outside their borders. And, asking for help can make you and others happier.