In this week's episode, David is joined by Wendy Freedman. Prof Freedman is a legendary cosmologist, who has played a central role in understanding the expansion rate of our Universe. She is a Professor of Cosmology at University of Chicago, has been elected to the National Academy of Sciences, a legacy fellow of the American Astronomical Society and winner of the Gruber Prize in Cosmology. Her recent work has focussed on precise measurements of the expansion rate of the Universe and has been a the heart of the so-called "Crisis in Cosmology" that we get into in today's episode.

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In our inaugural episode, David is joined by Rebecca Charbonneau. Dr Charbonneau holds a PhD in the History of Science from Cambridge University, and served as the Historian-in-Residence at the Harvard-Smithsonian Center for Astrophysics from 2020-2022. She is currently a Janksy Fellow at the National Radio Astronomy Observatory (NRAO) and working on an upcoming book exploring the history of SETI - the Search for ExtraTerrestrial Intelligence.

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