
Sara Imari Walker
Astrobiologist and theoretical physicist focusing on the origin and possibility of alien life. Deputy director of the Beyond Center for Fundamental Concepts in Science at Arizona State University.
Top 10 podcasts with Sara Imari Walker
Ranked by the Snipd community

129 snips
Oct 21, 2024 • 47min
#388 — What Is Life?
Sara Imari Walker, an astrobiologist and theoretical physicist, dives into the origin and definition of life. They challenge conventional concepts of life, exploring interesting questions about artificial life amidst a background of physics and biology. Discussions cover the Fermi paradox, the potential for extraterrestrial existence, and the evolution of complex structures through assembly theory. Walker also speaks on the philosophical implications of a 'block universe' and the infinite nature of prime numbers, highlighting the fascinating intersection of mathematics and existence.

127 snips
Aug 7, 2024 • 2h 52min
#2184 - Sara Imari Walker
Sara Imari Walker, an astrobiologist and theoretical physicist, dives into the origins of life and artificial intelligence. She discusses assembly theory and its implications for understanding extraterrestrial life forms. The conversation shifts to rethinking intelligence, challenging human-centric views with examples from marine life. Ethical dilemmas surrounding artificial life and the potential for advanced civilizations are explored, culminating in reflections on human connection in a rapidly evolving technological landscape.

49 snips
Aug 12, 2020 • 1h 7min
The Information Theory of Biology & Origins of Life with Sara Imari Walker (Big Biology Podcast Crossover)
Guest Sara Imari Walker discusses the information theory of biology and origins of life. Topics include the relation between information, matter, and energy, the search for a fundamental understanding of life, the emergence of life on Earth, the role of information in defining life's principles, the challenges of reductionism in biology, self-replication theories, major transitions in biology linked to information processing, and the interconnectedness of life as a system from biology to AI.

44 snips
Jan 13, 2020 • 1h 23min
79 | Sara Imari Walker on Information and the Origin of Life
Sara Imari Walker, an Associate Professor at Arizona State University with a focus on astrobiology, dives into the intriguing nature of life. She discusses competing theories on the origins of life, including genetics-first versus metabolism-first models. The conversation explores the role of information in living systems, questioning traditional definitions of life. Walker also highlights innovative methodologies in research, emphasizing the importance of experiments that simulate early Earth conditions. Her insights spark thoughts on the potential for life beyond our planet.

23 snips
Oct 15, 2024 • 54min
The Origins of Life with Sara Imari Walker
In this fascinating discussion, astrobiologist Sara Imari Walker, the Deputy Director of the Beyond Center for Fundamental Concepts in Science, teams up with Neil deGrasse Tyson and Chuck Nice. They dive into the philosophical and scientific aspects of life, including the potential for non-carbon-based organisms and AI as a form of life. From assembly theory to the revolutionary insights of the Miller-Urey experiment, they unravel how complexity arises in nature. The conversation balances humor and profound inquiry into life’s mysterious origins.

11 snips
Apr 5, 2023 • 47min
Will we ever have a fundamental theory of life and consciousness?
Physics professors Jim Al-Khalili and Sara Imari Walker discuss the emergence of life from non-living matter and the challenges of understanding consciousness. They explore concepts such as entropy, proton tunneling in DNA, quantum consciousness, and the role of information theory in understanding life. They also delve into the evolution of objects and theories like quantum biology and non-equilibrium physics that could unravel the mysteries of life and consciousness.

4 snips
Oct 31, 2024 • 1h 12min
The Origins of Life with Sara Imari Walker
Dr. Sara Imari Walker is an astrobiologist and theoretical physicist pioneering ideas about the origins of life. She discusses the limitations of traditional definitions of life and introduces assembly theory, which examines the complexity of molecular structures. The conversation delves into the intersection of physics and biology, the implications of embryology for understanding life, and the exciting prospect of alien intelligence. Sara also shares thoughts on technology's role in discovering new forms of life, inspiring a fresh perspective on existence.

Oct 21, 2024 • 1h 14min
#388 - What Is Life?
Sara Imari Walker, an astrobiologist and theoretical physicist from Arizona State University, delves into the scientific understanding of life. They discuss how traditional definitions fall short and the intriguing role of physics in the topic. Concepts like assembly theory and the Fermi paradox come to life as they explore the potential for extraterrestrial existence. Walker also challenges us to rethink the intersection of life and technology, raising questions about whether machines could be considered alive. It's a captivating journey through the cosmos!

Nov 20, 2024 • 1h 23min
Sara Imari Walker on Physics, Emergence, and Life on Other Planets
Sara Imari Walker, an astrobiologist and theoretical physicist at Arizona State University, presents a captivating exploration of the origins of life and the potential for alien existence. She introduces assembly theory, stating that life develops complexity and challenges traditional views of matter and consciousness. Walker discusses the significance of information in life’s emergence and reevaluates the physical laws governing our understanding of existence. She also delves into the critical aspects of time, causation, and the nature of free will in shaping both life and consciousness.

Aug 13, 2024 • 1h 47min
The Physics of Life’s Emergence
Sara Imari Walker, an astrobiologist and theoretical physicist, dives into the intricate question of what defines life. She argues that current definitions fall short for understanding life's origins and extraterrestrial possibilities. Walker emphasizes a revolutionary approach to studying life's emergence, discussing assembly theory and its implications for identifying biosignatures on exoplanets. The conversation also challenges traditional views on consciousness and free will, linking them to material processes and the complexity of biological systems.