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by Shane Farnsworth
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- 2 weeks ago1h 34m
The Fertility Crash Is Already Here | Lyman Stone | Escaped Sapiens #93
Fertility is dropping worldwide. Across much of the West, total fertility rates now sit around 1.4-1.5 births per woman, well below the replacement level of 2.1. That implies a long-run population decline in the absence of immigration: each generation is smaller than the last, compounding over time. To make this concrete, if you take a representative group of 100 adults today and project forward under a constant fertility rate of about 1.5 births per woman, that group would, on average, correspond to roughly 50 grandchildren two generations later-an effective halving of the population. In South Korea the effect is far more extreme. With a total fertility rate around 0.7-0.8 births per woman, the same kind of projection implies that 100 adults today would correspond to only about 10-15 grandchildren on average two generations later. In other words, each generation is dramatically smaller than the one before it, compounding rapidly over time. So what does this actually mean? What happens when societies move from growth to sustained generational decline? How do pension systems function when the ratio of workers to retirees collapses? What happens to economic growth, political stability, cultural continuity, identity, and population composition in societies that are rapidly aging and shrinking at the same time? In this conversation, I speak with Lyman Stone, Senior Fellow and Director of the Pronatalism Initiative at the Institute for Family Studies, and Director of Research at Demographic Intelligence. We discuss the data behind the fertility crash, the drivers of this global shift, its long-term implications, and the policy options that might-or might not-reverse it. ►Watch on YouTube: https://youtu.be/i-vgPaxB-Wg ►You can find out more about Lyman's work here: https://ifstudies.org/about-us/lyman-stone#:~:text=Lyman%20Stone%20is%20a%20Senior,with%20a%20Population%20Dynamics%20specialization.
- 3 weeks ago1h 31m
What Killed the Dire Wolf… And Could We Bring It Back? | Julie Meachen | Escaped Sapiens #92
In evolutionary terms, the last Ice Age was just yesterday. We narrowly missed witnessing creatures like woolly mammoths, short-faced bears, glyptodons, and dire wolves. The late Pleistocene, spanning roughly 50,000 to 12,000 years ago, is marked by the extinction of most large terrestrial animals outside of Africa, likely driven by a combination of climate change and the expansion of modern humans. In this conversation, I speak with paleontologist and Associate Professor of Anatomy at Des Moines University, Julie Meachen. She leads ongoing research at Natural Trap Cave, where she and her team excavate Ice Age mammals each summer. Their work aims to understand how climate change influenced both the morphology and genetics of these animals. By analyzing microfaunal remains and pollen records, they also reconstruct Pleistocene climate conditions in mid-latitude North America. Recently, colossal bioscience announced what it described as the “de-extinction” of the dire wolf. While that claim did not fully hold up, the underlying science is still remarkable. In our discussion, Julie explains what we know about the late Pleistocene ecosystem at the time of the dire wolf’s extinction, and what fossil evidence reveals about these animals. We also examine Colossal’s announcement, considering whether it was aimed less at the scientific community and more at the public and potential investors. Viewed in that light, the real value of reviving charismatic species like the woolly mammoth or dire wolf may not lie in the animals themselves. Instead, their greatest contribution could be as ambassadors, capturing public imagination and helping drive the development of technologies for genetic rescue and conservation. ►Watch on YouTube: https://youtu.be/c4lvsreJ-WU ►You can find out more about Julie's work here: https://scholar.google.com/citations?user=-hdi3IUAAAAJ&hl=en https://www.dmu.edu/directory/profile/julie-meachen/
- Apr 13, 202649 min
Why Powerful Countries Keep Losing Wars | Phillips O’Brien | Escaped Sapiens #91
From Vietnam to Afghanistan, why do powerful countries keep losing wars? In this episode, I speak with author and professor of strategic studies Phillips O'Brien, one of the world’s sharpest analysts of modern warfare and grand strategy. Right now, Russia is bogged down in Ukraine, and the US has just attacked Iran. My goal in this conversation is to understand why leaders and analysts repeatedly misjudge conflicts… initiating wars they can’t win or extract themselves from. We discuss what victory really means, how leaders manage perception and public consent, full-spectrum power, and the changing face of US dominance. ►Watch on YouTube: https://youtu.be/tjP6TzrF5aw ►You can find out more about Phillips' work here: https://phillipspobrien.substack.com/ https://www.csis.org/people/phillips-obrien https://www.st-andrews.ac.uk/international-relations/people/ppo/ ►Follow Fhillips on X and Bluesky: @PhillipsPOBrien @phillipspobrien.bsky.social
- Apr 6, 20261h 56m
Can Aging Be Hacked? | Matt Kaeberlein | Escaped Sapiens #90
``I think we know enough today for the average person to gain close to 2 decades of heathy life." There is a lot of hype in the longevity space, mainly generated by influencers. For non-specialists it can sometimes be difficult to know which information to trust, particularly when it comes to supplements and medications. In this conversation I speak with biologist and biogerontologist Matt Kaeberlein. My goal with the discussion was to better undrestand what scientists really know about aging and living longer, and to seperate out the science from the hype. We discuss lifestyle factors, known medications, the influence of testosterone and genetics, as well as some of the more interesting treatments being explored today. We also touch on some of Matt's reseach in the area of drug discovery. ►Watch on YouTube: https://youtu.be/Q5ZOc_UzF1U ►You can find out more about Matt's work here: https://halo.dlmp.uw.edu/people/matt-kaeberlein/ https://www.optispan.life/
- Mar 30, 20261h 37m
Reviving Ancient Greece Through Its Lost Texts | Richard Janko | Escaped Sapiens #89
Recently, new AI-based techniques have begun to allow researchers to decipher ancient Greek texts from scrolls burned almost beyond recognition by the eruption of Mount Vesuvius. I wanted to understand what this breakthrough actually means. In the broader picture of our knowledge of the ancient world, how important is this new technology? In this episode of the podcast, I speak with Professor Richard Janko, one of the world’s leading scholars of ancient Greek literature, philosophy, and the transmission of texts. He begins by sketching the long arc of Greek history, before turning to his own work deciphering ancient papyri. Along the way, he explains which Greek texts have survived, what they can tell us about everyday life, religion, poetry, and philosophy, and why the newly emerging material matters. What unfolds is a story of the Greeks themselves-their ideas, their sense of the world, and what life was like more than two thousand years ago. ►Watch on Youtube: https://youtu.be/NDcxvxKtJHA
- Mar 23, 20261h 20m
How Anesthetics Affect The Brain | Anthony Kaveh | Escaped Sapiens #88
* Note: This Episode was filmed over two years ago in mid 2023. In the lead up to my own surgery I speak with Stanford and Harvard trained, board-certified anesthesiologist and integrative medicine specialist Anthony Kaveh. In addition to his medical work Anthony runs his own YouTube channel where he educates listeners about anesthetics and the therapeutic use of psychedelics. We discuss how anesthetics and psychedelics work on the brain, and what anesthesia can teach us about intelligence, perception, and mental illness. We also discuss the log term risks associated with anesthetics and the impact of the opioid crisis on operating Theaters around the US. ►Watch on YouTube: https://youtu.be/9BeBi8ZOHRk ►For more information about Anthony's work see: https://www.youtube.com/@MedicalSecrets/videos https://www.medicalsecretsmd.com/ These conversations are supported by the Andrea von Braun Foundation (http://www.avbstiftung.de/), as an exploration of the rich, exciting, connected, scientifically literate, and (most importantly) sustainable future of humanity. The views expressed in these episodes are my own and those of my guests.
- Mar 16, 20261h 27m
A Path To Quantum Gravity | Sabrina Pasterski | Escaped Sapiens #87
What are holographic dualities, and is our universe really a hologram? In this episode of the podcast, I speak with Sabrina Pasterski, a faculty member at the Perimeter Institute for Theoretical Physics. Sabrina has attracted significant media attention over the years and has even been compared to figures like Einstein. I ask her what it was like to grow up under such intense public hype while still finding her footing as a scientist. We also explore whether the media risks being irresponsible when it constructs prodigy narratives — and what that means for young, brilliant minds trying to navigate their own paths. We then turn to the major challenges in quantum gravity — a field that lacks direct experimental data and often relies on internal consistency. Sabrina shares insights from her work in Celestial Holography, which seeks to understand quantum gravity through dual descriptions: simpler, non-gravitational theories that live in lower-dimensional spaces. ►Watch on YouTube: https://youtu.be/Uff-40hOOHw ►For more information about Sabrina and her work: www.youtube.com/@PhysicsGirl-com https://physicsgirl.com/ https://perimeterinstitute.ca/people/sabrina-pasterski https://en.wikipedia.org/wiki/Sabrina_Gonzalez_Pasterski
- Mar 9, 20261h 24m
The Philosophy Of Antinatalism | David Benatar | Escaped Sapiens #86
In this episode I speak with philosopher and author David Benatar. David is best known for advancing the position of philanthropic antinatalism, which holds that coming into existence is a serious harm for sentient beings. Central to his view is the asymmetry argument, which maintains that the absence of pain is good even if no one benefits from it, while the absence of pleasure is not bad unless someone is deprived of it. David also argues that our lives are significantly worse than we tend to realize, due in part to a pervasive positivity bias. He supports this claim with a range of empirical studies, including work on optimism bias, affective forecasting, and rosy retrospection. Relevant studies include: https://pmc.ncbi.nlm.nih.gov/articles/PMC3204264/ https://2024.sci-hub.se/1554/00562a7485ff9ae6371024daf5890ed0/mitchell1997.pdf https://psycnet.apa.org/record/1980-01001-001 https://www.happierlivesinstitute.org/wp-content/uploads/2022/04/Affective-forecasting.pdf At the same time, David’s antinatalist position is challenged by other philosophers, as well as by research showing that global well-being has been improving across many important metrics. Numerous studies also suggest that most people self-report being happy and that subjective well-being often remains surprisingly high even under adverse circumstances. A counter-perspective is that humans are not blind to suffering but are instead highly adaptive, and capable of overcoming life’s challenges and minimizing the impact of hardship. Relevant studies include: https://journals.sagepub.com/doi/10.1111/j.1467-9280.1995.tb00298.x https://pubmed.ncbi.nlm.nih.gov/14717825/ https://link.springer.com/article/10.1023/A:1007027822521 https://cmc.marmot.org/Record/.b57484296 ►View on YouTube: https://youtu.be/FeLSED_nmJA ►For those interested in finding out more, David explores his position in depth and engages extensively with opposing arguments in his written work. Learn more about his work here: https://humanities.uct.ac.za/department-philosophy/contacts/david-benatar https://tomwilk.net/wp-content/uploads/2020/07/Still-Better-Never-to-Have-Been-Benatar.pdf Note: At ~21:00 I was mistakenly parsing `not good' to mean `bad' as opposed to literally `not good' - which led me to stumble on David's answer here. At ~23:20 David and I talk past one another. At the end of the interview we add a section clarifying David's position.
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About The Escaped Sapiens Podcast
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