

Inner Cosmos with David Eagleman
iHeartPodcasts
Neuroscientist and author David Eagleman discusses how our brain interprets the world and what that means for us. Through storytelling, research, interviews, and experiments, David Eagleman tackles wild questions that illuminate new facets of our lives and our realities.
Episodes
Mentioned books

8 snips
Dec 8, 2025 • 47min
Ep133 "Why do people hold misbeliefs?" with Dan Ariely
Behavioral economist Dan Ariely, known for his groundbreaking work on irrationality, dives into the fascinating world of misbelief. He discusses how misbeliefs can provide comfort amidst chaos and reveals the psychological ingredients behind their adoption, including stress and social factors. Ariely shares personal experiences that ignited his research and emphasizes the dangers of confirmation bias. He also proposes solutions for combating misinformation, advocating for intellectual humility over media literacy as a means to foster understanding and trust.

14 snips
Dec 1, 2025 • 51min
Ep132 "What will AI mean for the economy?" with Andrew Mayne
Andrew Mayne, a novelist, inventor, and former prompt engineer at OpenAI, explores the evolving role of humans in an AI-driven economy. He discusses how AI could redefine jobs, emphasizing the unique human qualities of trust and authenticity. Mayne highlights the shift from standardized roles to new types of work arising from technology. They also examine the impact of AI on fields like science and entertainment, arguing that personal stories and lived experiences will remain valuable. Finally, Mayne shares insights for students navigating the AI landscape.

13 snips
Nov 24, 2025 • 49min
Ep131 "What do brains tell us about politics?" Part 2: Rehumanization
Society's polarization can be tackled through shared goals, as seen in the New Deal and Apollo program. Natural disasters prompt cooperation and empathy, while creating collaborative projects proactively can prevent discord. Reframing social media algorithms to highlight common interests offers a pathway to rehumanization. Engaging with stories can foster perspective-taking and empathy, important in bridging divides. Understanding moral frameworks can help navigate misunderstandings, paving the way for deeper connections.

7 snips
Nov 17, 2025 • 46min
Ep130 "What do brains tell us about politics?" Part 1: Polarization
Explore how propaganda connects across history and the medial prefrontal cortex's role in dehumanization. Delve into the recurring patterns of societal polarization from the Civil War to modern conflicts. Learn about the neurological underpinnings of in-group favoritism and the impact of education as a defense against propaganda. Discover how our brains respond to political identities and the potential for rewiring towards empathy and cooperation. This captivating discussion weaves together science, history, and human behavior in fascinating ways.

29 snips
Nov 10, 2025 • 44min
Ep129 "Is utopia possible or do human brains preclude it?" with Paul Bloom
In this engaging discussion, psychologist Paul Bloom, a noted research professor at the University of Toronto, explores the complexities of utopia. He argues that our innate tribalism, jealousy, and preference for hierarchies make a perfect society elusive. Bloom reveals why struggles and scarcity can actually enrich meaning in our lives. He also highlights how legal frameworks can help counterbalance our biases while emphasizing gradual reform over radical change. Ultimately, he suggests that the pursuit of utopia should be viewed as a direction rather than a definitive endpoint.

11 snips
Nov 3, 2025 • 1h 3min
Ep128 "Would space aliens see the world as we do?" with Daniel Whiteson
In this captivating discussion, particle physicist Daniel Whiteson, author of *Do Aliens Speak Physics?*, delves into how alien senses might reshape scientific inquiry. He explores the idea of universal versus culturally shaped mathematics and how different intelligences might interpret fundamental truths. Whiteson also proposes an extended Drake equation for alien physics and examines the challenges of translating alien signals. With playful speculations on alien technology, he raises profound questions about our understanding of the universe and the nature of scientific progress.

13 snips
Oct 27, 2025 • 1h
EP127 "What happens when we marry brains to machines?" with Sergey Stavisky
In this discussion, neuroscientist Sergey Stavisky, co-director of the UC Davis Neuroprosthetics Lab, explores groundbreaking brain-computer interfaces (BCIs). He explains how paralyzed individuals can control robotic arms and regain speech through brain signals. The conversation dives into ethical concerns surrounding privacy and data ownership, as well as future possibilities of reading covert thoughts. Stavisky also shares insights on the engineering challenges and advancements, predicting that BCIs for communication may become a reality in just five years.

63 snips
Oct 20, 2025 • 36min
Ep126 "Does science fiction shape reality?" with Bethanie Maples
Bethanie Maples, a researcher in education and founder of Atypical AI, explores how science fiction acts as a cultural R&D lab. She discusses the influence of AI tutors and the ethical dilemmas of robot companions, including liability if they commit crimes. Maples delves into challenges in creating personalized AI while tackling issues like monetization versus public access. The conversation also touches on identity, with intriguing thoughts on digital copies and emotional connections to ancestral replicas. Sci-fi themes help us navigate our technological futures.

28 snips
Oct 13, 2025 • 55min
Ep125 "Why do brains need friends?" (with Ben Rein)
Ben Rein, a neuroscientist and author of 'Why Brains Need Friends,' dives into the fascinating world of social neuroscience. He explains why human brains crave social interaction and how isolation can trigger stress responses. The duo discusses the evolutionary roots of our need for connections and the cognitive benefits of socializing, such as building brain reserve. Rein also critiques AI chatbots as substitutes for real human interaction, addresses social media's detrimental effects on mood, and highlights the bonding power of dogs.

21 snips
Oct 6, 2025 • 42min
Ep124 "Why don't we notice gaps in time?"
Explore the fascinating concept of time with insights into why we don't notice eye movements during saccades. Discover how the brain constructs reality, editing our perception like a movie. Delve into the mysteries of sleep and anesthesia, where hours vanish and consciousness disconnects. Hear intriguing discussions on memory, amnesia, and how entire chapters of life can be erased. Plus, ponder the possibility of civilizations lost to deep time, reminding us how easily history might slip away.


