Startalk Radio

Although many people debate about the use of animals in science and civilization, few argue as adamantly against their use than our guest, Ingrid Newkirk, co-founder and president of PETA. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

See the Sun with new eyes as we discuss the many ways this ball of plasma illuminates our past, present and future. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Holy Δx Δp ≥ ℏ/2 Batman! Theoretical physicist Michio Kaku joins us for another discussion of superheroes and the amazing physics behind their incredible powers. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Famous for her role as Star Trek's Uhura, Nichelle Nichols discusses in part 2 of her interview how she also played a vital role in influencing the modern era of NASA. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Nichelle Nichols discusses her role as Star Trek's Lt. Uhura, and the impact that had on her life and on society. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Academy-award winning actor Morgan Freeman joins us for a light-hearted discussion of some of the deepest mysteries facing science today. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Travel back to the future for a discussion of time travel and the movies that depict such excellent adventures. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Are you on our wavelength? Learn about the many ways the electromagnetic spectrum infiltrates our lives and illuminates the universe. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

From Comedy Central's World News Headquarters in New York, Neil sits down with Jon Stewart of The Daily Show to discuss the comic (and cosmic) connections between the worlds of science and politics. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Suze Orman shares her street smarts about math, investing and the recent economic melt-down on our show about the science of finance. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Extreme weather events dominate the news -- tornadoes, hurricanes, winter snowmageddons, floods. What is fantasy and what is reality in the cultural conversation about climate? Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Faster than a speeding bullet? More powerful than a locomotive? James Kakalios, physics professor and author of "The Physics of Superheroes" discusses the science behind the amazing powers of our favorite caped crusaders. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Neil, comedian co-host Leighann Lord, and Phil Plait, the "Bad Astronomer," discuss The Good, The Bad, and The Ugly of science in the movies. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Learn about the evolution of paints, powders, perfumes and other potions as we discuss the artful science of cosmetics. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

How do we know what we know? The brain is an amazing product of evolutionary engineering, but many influences can play with our perceptions. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Japan was recently hit by a triple punch: a powerful 9.0 magnitude earthquake generated a huge tsunami, which then critically damaged a nuclear power plant. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

What ingredients provide "The Right Stuff" for an astronaut's dinner? From BBQ to ice cream, we feast on food fit for the stars. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Paleontologist Peter Ward explains how life's tendency toward self-destruction has led to massive extinction events in Earth's history. What does the past -- and the smell of rotten eggs -- have to teach us about the fate of humanity? Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Expert-in-everything John Hodgman addresses a range of topics, from the possibility of alien or robot invasion, to what lobsters have in common with Star Trek's Spock. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Take a tour of the solar system with Mars Exploration Rover scientist Steve Squyres and planetary scientist Heidi Hammel. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.