Cool Worlds Podcast - coolworldslab

Latest Episodes:

#25 Matt O'Dowd - PBS Spacetime, Science on YouTube, Quasars Sep 06, 2025

Show notes

Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off. In this week's episode, David is joined by Matt O'Dowd, Professor of Physics at Lehman College, CUNY. Matt is the host of the phenomenally successful PBS Spacetime show and an avid communicator of science. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#24 Colin Hill - Modern Cosmology, Hubble Tension, Exotic Physics Aug 08, 2025

Show notes

In this week's episode, David is joined by Colin Hill, Professor of Physics at Columbia University. Colin is a world renowned expert working at the cutting edge of modern cosmology, giving us the opportunity to do a deep dive into the state of the field.

To support this podcast and our research lab, head to https://coolworldslab.com/support

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#23 Geraint Lewis - Fine-Tuning, Multiverse, Cosmological Tensions Jun 26, 2025

Show notes

In this week's episode, David is joined by Geraint Lewis, Professor of Astrophysics at Sydney University. Geraint is a proponent of the fine-tuning argument as evidence for a multiverse and has authored a book on the topic "A Fortunate Universe: Life in a Finely Tuned Cosmos" [https://shorturl.at/xLyak].

To support this podcast and our research lab, head to https://coolworldslab.com/support

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#22 Sara Walker - Origin of Life, Assembly Theory, Biosignatures May 18, 2025

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In this week's episode, David is joined by Sara Imari Walker, Professor of Earth & Space Exploration at the Arizona State University. Prof Walker has spent the last few years developing a new concept in astrobiology known as assembly theory, which we explore in this episode.

To support this podcast and our research lab, head to https://coolworldslab.com/support

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#21 Edwin Kite - Early Mars, Terraforming/Settling Mars Apr 25, 2025

Show notes

In this week's episode, David is joined by Edwin Kite, Professor of Geophysical Sciences at the University of Chicago. Prof Kite is a Participating Scientist for the NASA Curiosity Rover and has devoted much of his career to the study of Mars' evolution and fate.

To support this podcast and our research lab, head to https://coolworldslab.com/support

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#20 Natalie Batalha - Kepler Mission, Exoplanets with JWST, Future Imagers Mar 12, 2025

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Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan.

In this week's episode, David is joined by Natalie Batalha, Professor of Astronomy & Astrophysics at UC Santa Cruz. Prof Batalha was one of the leaders of the historic NASA Kepler Mission which discovered the majority of known exoplanets, and in 2017 was one of the Time 100 most influential people.

To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#19 Brian Keating - Inflation, B Modes and Losing the Nobel Prize Feb 08, 2025

Show notes

Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan.

In this week's episode, David is joined by Brian Keating, host of the Into the Impossible Podcast, Professor of Cosmology at UC San Diego and popular science book author.

To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#18 Nick Searra - Alien Communication, Golden Record, Future Relics Jan 14, 2025

Show notes

Use code coolworldspodcast at https://incogni.com/coolworldspodcast to get an exclusive 60% off an annual Incogni plan. In this week's episode, David is joined by Nick Searra, Founder and Executive Directory of the Interstellar Foundation (https://www.interstellarfoundation.com/). The Interstellar Foundation is building updated versions of the Golden Record for the new space age - physical data storage devices that will be attached to spacecraft to serve as a record of humanity's knowledge and an attempt at alien communication through deep time.

To support this podcast and our research lab, head to https://coolworldslab.com/support

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#17 Adam Riess - Modern Cosmology, Hubble Tension, New Physics Nov 09, 2024

Show notes

In this week's episode, David is joined by Nobel laureate Adam Riess, Bloomberg Distinguish Professor and Thomas J Barbar Professor of Physics & Astronomy at John Hopkins University. In this conversation, we explore the Hubble tension and recent disagreements between cosmology teams.

To support this podcast and our research lab, head to https://coolworldslab.com/support

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

#16 Janna Levin - Black Holes, Singularities & Wormholes Oct 07, 2024

Show notes

In this week's episode, David is joined by Prof Janna Levin, Professor of Astronomy at Barnard College of Columbia University. Janna is an expert in the theoretical physics of black holes, an author, a communicator of science and co-founder of Pioneer Works.

To support this podcast and our research lab, head to https://coolworldslab.com/support

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Prof Levin's research page: https://jannalevin.com/

Pioneer Works: https://pioneerworks.org/

Janna's Books: https://jannalevin.com/books/black-hole-survival-guide/

Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

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