Biologist Robert Lanza and science-fiction writer Nancy Kress talk about "Observer," a novel that delves into Lanza's view that consciousness creates the universe as we know it.

In honor of the release of "Avatar: The Way of Water," we talk with the technical adviser for the $10 million Avatar XPRIZE, plus one of the winning teams, about the parallels between the movie's sci-fi avatars and real-life robotic avatars.

Scott B. Smith, the co-creator of Amazon Prime Video's version of "The Peripheral," talks about the challenge of turning William Gibson's cyberpunk sci-fi novel into a streaming series.

Ray Nayler, author of the sci-fi novel "The Mountain in the Sea," and neuroscientist Dominic Sivitilli discuss how looking into the mind of an octopus can provide insights into the nature of artificial intelligence and alien intelligence.

Stephen Tibbitts, the co-founder and CEO of Zeva Aero, talks about his company's plans to create a flying machine that looks like a cross between a helicopter and a UFO.

Science-fiction author Harry Turtledove delves into "Three MIles Down," his novel about Watergate, a real-life spy thriller ... and don't forget the aliens!

Ryan Britt, the author of "Phasers on Stun," discusses how the Star Trek saga influenced the course of science fiction and space exploration - including the roles of space billionaires Jeff Bezos and Elon Musk.

Comedian Tim Barnes, the creator of a new Comedy Central animated series called "Maurice on Mars," discusses his show about a struggling barista on the Red Planet and touches upon the controversies surrounding race and science fiction.

Michael Rogers, a futurist who advises startups and Fortune 500 companies, uses a sci-fi novel titled "Email From the Future" to point to technologies and trends that could solve the climate crisis and end wealth inequality.

Brian Greene, a theoretical physicist at Columbia University, delves into the physics of parallel universes - a plot point featured in a Marvel superhero movie titled "Doctor Strange in the Multiverse of Madness."