The Escaped Sapiens Podcast

Shane Farnsworth

Escaped Sapiens is a long-form podcast exploring science, intelligence, exploration, and the edges of human understanding through in-depth conversations with researchers, thinkers, and field experts.

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#107
November 3 · 1 hr 27 min
Slowing Aging By Killing Zombie Cells | Paul Robbins | Escaped Sapiens #102
When cells become damaged beyond repair, our bodies have a mechanism for eliminating them: a process known as apoptosis, or programmed cell death. Occasionally, however, damaged cells evade apoptosis and instead enter a state called cellular senescence. Senescence is an important tumour-suppressive mechanism that prevents damaged cells that evade apoptosis from continuing to divide and potentially developing into cancer. Senescent cells stop dividing, but they don't die. Instead, they remain metabolically active and begin secreting signalling molecules that the immune system uses to find the cells and clear them. As we age, our immune system itself deteriorates, becoming worse at clearing senescent cells. They accumulate, and the molecules they release cause chronic inflammation in the surrounding tissue, accellerating aging. This raises an intriguing question: could we slow down aging by selectively eliminating the senescent cells that accumulate later in life? In this conversation, I speak with Paul Robbins, who was part of the research team involved in identifying the first drugs capable of selectively targeting and eliminating senescent cells. These drugs are known as senolytics. Studies in mice have produced promising results, showing improved health and longevity, with extensions in lifespan of up to 15%. The central question of this conversation is whether these results might transfer to humans. #PaulRobbins #CellularSenescence #Senolytics #Longevity #Geroscience #Healthspan #AntiAging #YamanakaFactors #DasatinibAndQuercetin ►Watch on YouTube: https://www.youtube.com/watch?v=V6VEHC1LWLs&list=PLnE3V9mcAvmbGgs15Z0LkfHv0_1Hm5i9Z ►You can find out more about Paul Robbins's work here: https://robbins.umn.edu/
#106
October 19 · 1 hr 48 min
The Race to Upload the Human Mind | Michael Andregg | Escaped Sapiens #101
If your brain were simmulated down to the individual neuron, would the simmulation be concious? Would it be you? Until recently `mind uploading' existed as pure speculative fiction, constrainted by the overwhelming complexity of simulating billions of biological neurons and trillions of synaptic connections. It was not clear whether emulating human consciousness would require molecular-level or even quantum-level physical simulations, making whole-brain emulation, if not physically impossible, then economically impossible. Three things have happened in recent years that might change the calculus: (i) Recent breakthroughs in expansion microscopy allow brain tissue to be physically enlarged and imaged with standard light microscopes bringing down the cost of brain imaging. (ii) Advances in AI-driven image reconstruction, are turning the near impossible task of manually identifying millions of Neurons and connections from scans into an automated process. In theory these two advances mean that we can develop Neuron level scans of human brains within economically feasible limits. (iii) Simulations of a fly brain at Neuron level appear to capture fly behavior to relatively high fidelity. In this discussion, Michael Andregg, founder of the public benefit company Eon, outlines how modern neuroscience and computational modeling are accelerating the timeline toward digital human emulations. Andregg details how his team emulated the brain of a fruit fly, placing it in a digital body to navigate a virtual world. Although the model was greatly simplified, it shows that in theory it is possible to recover the behaviors of an organism from the digital reconstruction of its brain. He addresses the valid scientific skepticism surrounding early virtual organisms, proposing a standardized five-level framework for uploading fidelity that spans basic sensory-motor loops to complete, indistinguishable personal emulations capable of passing memory, behavioral, and emotional tests. Beyond the mechanical execution of brain scanning, Andregg presents a distinct perspective on the role of digital humans in solving the artificial intelligence alignment problem. Rather than attempting to control or slow down synthetic de novo artificial general intelligence, he argues for uploading human minds into digital substrates, enabling humans to operate at electronic processing speeds while retaining human empathy, ethics, and social cohesion. The conversation explores the technical roadmap from fruit flies to mice and humans, the realities of destructive brain scanning and chemical preservation, the software-like philosophy of personal identity, and the profound ethical safeguards required when digitizing biological consciousness. #MindUploading #BrainEmulation #Neuroscience #ArtificialIntelligence #AIAlignment #Connectomics #Transhumanism #MichaelAndregg #ExpansionMicroscopy ►Watch On YouTube: https://www.youtube.com/watch?v=_9VzvTwDWgY&list=PLnE3V9mcAvmbGgs15Z0LkfHv0_1Hm5i9Z&index=1 ►You can find out more about Michael's work here: https://eon.systems/ ►Follow Michael on twitter: @michaelandregg
#105
October 5 · 59 min
Can We Improve Democracy? | Jason Brennan | Escaped Sapiens #100
Most people view democracy as the best form of government we have, but also as a moral good. Everyone is given an equal right to vote. Leaders are replaced peacefully, and governments are encouraged to be accountable to the people because of the voting power they hold. That all sounds good compared with monarchies and dictatorships, but what if we can still do better? In this conversation I speak with Political Philosopher and Author of `Against Democracy' Jason Brennan. He argues that because each individual vote counts for so little, democracy has no real incentive for voters to become politically well informed. As a result, the political system is driven by the ignorant, poorly informed voters. Furthermore, a wide range of social science research shows that political participation and democratic deliberation actually tend to make people more irrational, biased, and mean. For this reason, political philosophers have put forward a range of alternatives to our current system of voting. In this discussion we cover one particularly interesting approach to voting, which attempts to count the votes of an election in a more sophisitcated manner, which simulates how a population would have voted if it had been better informed. ►Watch on Youtube: https://www.youtube.com/watch?v=_pwddex9uCk&list=PLnE3V9mcAvmbGgs15Z0LkfHv0_1Hm5i9Z&index=1 ►You can find out more about Jason's work here: https://gufaculty360.georgetown.edu/s/faculty-publications?id=00336000014RXIUAA4 ►Check out Jason's book: https://www.amazon.nl/Against-Democracy-Jason-Brennan/dp/0691162603
#104
September 21 · 2 hr 6 min
How Our Brains and Conciousness Form | Kevin Mitchell | Escaped Sapiens #99
What determines who you become: your genes, your environment, or something else entirely? I originally the answer lay in our environment and DNA, full stop. But it turns out there's a third ingredient. Our DNA doesn't hold enough information to specify all of the the various connections in our brain. In a certain sense the DNA specifies a charicature, and the process of development itself fills in the details. This process starts at conception, such that even two people growing with identical DNA and environment will nevertheless end up with different personality traits, intelligence, etc. In this conversation I speak with Neurogeneticist Kevin Mitchel (Trinity College Dublin, author of Free Agents and Innate) about how our brains develop. He spells out the implications of the developmental process of the brain for our personalities, medical conditions, and intelligence, consciousness, and free will. Correction: At 1:57:02, the claim about XYY syndrome and violence was misleading. Some studies have found a modest association with lower average IQ, but the evidence does not support XYY making someone inherently more violent. ►Watch on YouTube: https://www.youtube.com/watch?v=EohgJnp6bNQ&list=PLnE3V9mcAvmbGgs15Z0LkfHv0_1Hm5i9Z&index=1 ►Find out more about Kevin's work: www.kjmitchell.com ►Check out Kevin's books: https://press.princeton.edu/books/hardcover/9780691173887/innate https://press.princeton.edu/books/hardcover/9780691226231/free-agents
#103
September 7 · 1 hr 8 min
NO, Black Holes Don't Break Quantum Mechanics | Bill Unruh | Escaped Sapiens #98 RQI Collaboration
We can't put a real black hole in a laboratory, but we can recreate some of its most important physics. In this interview I speak with Bill Unruh, one of the pioneers of analog gravity. The idea is fascinating: Usually we model gravity using equations and computer simulations, but there is another way. Rather than a gravitational black hole that can trap light from escaping, you can instead build a black hole using the flow in a fluid to trap sound from escaping. Such models really do mimic many of the properties predicted by the equations that describe black holes. Unruh explains how a waterfall can act as a sonic black hole, creating an analogue of a black hole event horizon where sound waves can become trapped. In the lab, such analog systems have been built using water, but also Bose–Einstein condensates. One hope is to show that analog black holes sponateously emit sound quanta in exactly the same way that Hawking radiation is proposed to be emitted from Black holes. In particular, a key goal is to show that such radiation is `thermal', which would mean that it carries the least amount of information possible just as predicted by Hswking for black holes. One of the key reasons for being interested in analog gravity, is that it can provide intuition about horizons and other aspects of gravitational systems that we can't explore in the lab. In this interview I ask Bill what intuition he has gained for one of the key paradoxes in gravitational physics that researchers are currently arguing over: The Black Hole Information Paradox. In particular, what happens to the information contained in matter that falls into a black hole? Can Hawking radiation carry that information back out? We also discuss what actually happens inside a black hole. Does the singularity represent a genuine physical feature, or does it signal that our current theory of gravity has reached its limits? ►Watch on Youtube: https://www.youtube.com/watch?v=DzNAGllVWjo&list=PLnE3V9mcAvmYosrFCguPfGnFeI_CChb1j&index=1 ►Find out more about Bill's work: https://quantumgravitysociety.org/science_advisors/william-unruh/ https://news.ubc.ca/expert/william-unruh/ #BlackHoles #HawkingRadiation #QuantumGravity #AnalogGravity #Physics #QuantumMechanics #GeneralRelativity #StephenHawking #BlackHoleInformationParadox #TheoreticalPhysics #cosmology This publication is based upon work from COST Action RQI CA23115, supported by COST (European Cooperation in Science and Technology). COST is a funding agency for research and innovation networks. Our Actions help connect research initiatives across Europe and enable scientists to grow their ideas by sharing them with their peers. This boosts their research, career and innovation. For more information see: www.cost.eu .
#102
September 1 · 1 hr 27 min
Is the Inside of a Black Hole Just a Physicist's Fantasy? | Niayesh Afshordi | Escaped Sapiens #97 RQI Collaboration
Our understanding of gravity and black holes is currently in a funny spot that looks a little similar to how physics in general looked before quantum mechanics. Before quantum mechanics, scientists were puzzled by the stability of atoms. Shouldn't the negatively charged electrons simply fall into the positively charged nucleus? Also, the electrostatic force between charges was known to increase the closer two charged objects were to one another, and by naive extrapolation, this force should become infinite as the distance between objects goes to zero. This is known as a `singularity' in the theory. Singularities are usually a sign that our theory is being extrapolated beyond where it is applicable. Quantum mechanics held the solution to the puzzle: electrons don't spiral around the nucleus; they sit in quantum orbits that can only take on certain discrete levels. In our current understanding of gravity, there are objects predicted by the theory known as black holes. But just like with `classical' atoms, these objects are pretty weird. They have singularities right at the center, and just like the electrons orbiting an atomic nucleus, the classical theory of gravity says that matter should spiral into a black hole to meet the singularity. On the way, they cross an event horizon from which they can never return, and which shields anyone from looking into the black hole. The singularity is an indication that our classical theory of gravity is somehow breaking down. But where? If we try to merge quantum mechanics with black holes, a clue arises: `Hawking' radiation is predicted by the merger to emanate from the black hole horizon, and this radiation leads to the evaporation of black holes, and the loss of all the information of anything that fell in. But this behavior appears to break quantum mechanics because in quantum theory, information cannot be destroyed. It can be scrambled, transformed, hidden, but never fundamentally erased. This is the black hole information paradox: the merger of our best gravitational theory and quantum theory seems to lead to information loss, which is incompatible with quantum theory. In this episode of the podcast, I speak with theorist Niayesh Afshordi. He suggests that the black hole information paradox arises because we are extrapolating our equations beyond where they make sense. His suggestion is a little unorthodox: black holes have no center. The horizon must be replaced with a surface, beyond which there is nothing. I speak with him to try to understand his suggestion. ►Watch on Youtube: https://www.youtube.com/watch?v=68qwzsjmoxU&list=PLnE3V9mcAvmYosrFCguPfGnFeI_CChb1j&index=1 ►Find out more about Niayesh's work: https://nafshordi.com/ ►Follow Niayesh on Twitter: @nafshordi #BlackHoles, #QuantumMechanics, #QuantumPhysics, #HawkingRadiation, #BlackHoleInformationParadox, #Gravity, #TheoreticalPhysics, #Physics #NiayeshAfshordi, #GeneralRelativity This publication is based upon work from COST Action RQI CA23115, supported by COST (European Cooperation in Science and Technology). COST is a funding agency for research and innovation networks. Our Actions help connect research initiatives across Europe and enable scientists to grow their ideas by sharing them with their peers. This boosts their research, career and innovation. For more information see: www.cost.eu.
#101
August 24 · 1 hr 37 min
Do Black Holes Destroy Information? | Carlo Rovelli | Escaped Sapiens #96 RQI Collaboration
The black hole information paradox sits at the intersection of quantum mechanics and general relativity, two of our most successful theories of nature. According to classical general relativity, anything that crosses the event horizon of a black hole is lost to the outside universe forever. Black holes are almost featureless. It doesnt matter if you build one from tea pots, or elephants, the information of what fell in is hidden forever. But quantum mechanics tells a different story. In quantum theory, information cannot be destroyed. It can be scrambled, transformed, hidden, but never fundamentally erased. So what happens when these two ideas collide in the most extreme environment in the universe? If a black hole forms from a star and later evaporates through Hawking radiation, what happens to the information about everything that fell in? Does it come back encoded in the radiation? Does it remain trapped forever? Or does physics itself break down at the boundary? To make this concrete, imagine throwing a book into a black hole. If the black hole eventually evaporates completely, the total mass returns to the universe as radiation, but what happens to the detailed information inside that book? The words, the structure, the arrangement of matter that defined it? Depending on how you answer that question, you either preserve one of the deepest principles in quantum theory, or you are forced to accept that something fundamental about our understanding of reality is incomplete. In this conversation, I speak with theoretical physicist Carlo Rovelli, one of the leading voices in quantum gravity, to explore the black hole information paradox. He outlines what the paradox is, explains where he belives many physicists get themselves confused, and puts forward his own solution to the paradox. ►Watch on YouTube: https://www.youtube.com/watch?v=vjsof8VfOM0&list=PLnE3V9mcAvmYosrFCguPfGnFeI_CChb1j&index=2https://youtu.be/vjsof8VfOM0 ►You can find out more about Carlo's work here: https://www.cpt.univ-mrs.fr/~rovelli/ ►Follow Carlo on Twitter: @carlorovelli This publication is based upon work from COST Action RQI CA23115, supported by COST (European Cooperation in Science and Technology). COST is a funding agency for research and innovation networks. Our Actions help connect research initiatives across Europe and enable scientists to grow their ideas by sharing them with their peers. This boosts their research, career and innovation. For more information see: www.cost.eu
#100
August 17 · 1 hr 59 min
Engineered Bioweapons: What Is Currently Possible? | Keven Esvelt | Escaped Sapiens #95
What makes a bioweapon effective? What are researchers actually capable of creating in the lab? What pathogens are kept in storage? How realistic is a large scale catestrophic attack using a bioweapon? In this conversation I speak with Kevin Esvelt, who is an associate professor at the MIT Media Lab, where he leads the Sculpting Evolution Group in advancing biotechnology safely. Kevin was one of the pioneering researchers behind gene drive technology. In 2013, recognizing the potential dangers of the technology, he and his colleagues chose to break with scientific tradition by revealing their findings and calling for open discussion and safeguards before building the first CRISPR-based gene drive system and demonstrating reversibility in the laboratory. Kevin now focuses on accelerating beneficial advances while safeguarding biotechnology against mistrust and misuse. Projects include building catalytic platforms for directed evolution, pioneering new ways of developing ecotechnologies with the guidance of local communities, developing early-warning systems to reliably detect any catastrophic biological threat, applying cryptographic methods to enable secure and universal DNA synthesis screening, and advising policymakers on how best to mitigate global catastrophic biorisks. We discuss the state of the art in pathogen development, as well as the tools available to safegaurd humanity. ►Watch on Youtube: https://youtu.be/SLj8vwliQp0 ►You can find out more about Kevin's work here: https://www.sculptingevolution.org/kevin-m-esvelt ►Follow Kevin on X: @kesvelt
#99
June 20 · 1 hr 35 min
AI Psychosis: What We Already Know | Joseph Pierre | Escaped Sapiens #94
Our reality is increasingly being filtered through AI. People now defer to AI chatbots for more and more of their information needs, and google searches return AI generated overviews as their top responses. While this may have its benefits, problems are starting to arise as our interactions with AI are becoming more comprehensive, immersive, and emotionally meaningful. Researchers are begining to warn that AI might be contributing to the development of delusional beliefs and psychotic experiences. Reports of what has been called “AI-associated psychosis” have raised concerns about people becoming intensely attached to AI systems, interpreting conversations with them as uniquely meaningful, or developing beliefs that are reinforced through repeated interactions. Real world examples include people believing that AI is sending them hidden messages, that they have a special mission, that the have made new mathematical discoveries, and that AI is awakening. There have even been cases involving violence and death in the real world. So the question is: What is going on? Can we seperate the real world cases of AI psychosis from the media headlines? In this conversation I speak with Dr. Joseph Pierre, Professor of Psychiatry at the University of California, San Francisco, and the Unit Chief of the Langley Porter Psychiatric Hospital Adult Inpatient Unit. He has extensive clinical experience working with individuals with psychotic disorders, as well as research experience participating as a primary investigator and collaborator for clinical trials in schizophrenia and early intervention for young persons at high risk for psychosis. His academic work explores the "grey area" between psychopathology and normality with a focus on delusion-like beliefs including conspiracy theories. We discuss what AI-associated psychosis means, the evidence behind these emerging concerns, the psychology of delusional thinking, how AI systems may influence human cognition, and what we should-and should not-conclude about the risks of increasingly powerful conversational AI. ►Watch on YouTube ►Become a Patreon supporter, or make a one time donation through PayPal ►Visit Escaped Sapiens Website ►Find out more about Joe's work ►Read Joe's book ►Follow Joe on X: @psychunseen
#98
May 4 · 1 hr 34 min
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.
#97
April 27 · 1 hr 31 min
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/
#96
April 13 · 49 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
#95
April 6 · 1 hr 56 min
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/
#94
March 30 · 1 hr 37 min
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
#93
March 23 · 1 hr 20 min
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.
#92
March 16 · 1 hr 27 min
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
#91
March 9 · 1 hr 24 min
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.
#89
Oct 6, 2025 · 1 hr 26 min
How We Know What Killed the Dinosaurs | Jan Smit | Escaped Sapiens #85
For over forty years, Dutch geologist and paleontologist Jan Smit has been at the center of one of the most profound scientific detective stories of our time: the investigation into the mass extinction that ended the reign of the dinosaurs 66 million years ago. Known as the Cretaceous-Paleogene (K-Pg) extinction, this event wiped out nearly 75% of all species on Earth, from towering dinosaurs to microscopic marine life, and cleared the way for the rise of mammals and, eventually, humans. Early in his career, Jan Smit became intrigued by a thin layer of clay found in rock strata across the globe, precisely at the boundary between Cretaceous and Paleogene sediments. This layer, unusually rich in the rare element iridium, held clues that would eventually transform our understanding of planetary history. Working alongside Luis and Walter Alvarez and others, Jan helped develop the hypothesis that a massive asteroid impact, rather than volcanic activity or gradual climate change, was the primary cause of the extinction. In this episode, we explore the extraordinary evidence for that theory: global patterns of shocked quartz, tsunami deposits, a massive crater buried beneath the Yucatán Peninsula, and the sudden disappearance of entire ecosystems in the fossil record. Jan walks us through decades of fieldwork and analysis that revealed the incredible violence and planetary consequences of the impact, a blast more powerful than a billion Hiroshima bombs, throwing Earth into a global winter. But this is more than a forensic tale of catastrophe. It's a window into the fragility and resilience of life, the interconnectedness of geological and biological systems, and the awe-inspiring forces that shape the story of our planet. Watch on Youtube: https://youtu.be/YOlOuBYgAmQ
#90
Sep 23, 2025 · 1 hr 33 min
Causal Fermion Systems: A Radical New Vision Of Reality | Felix Finster | Escaped Sapiens #84
For over three decades, Felix Finster has been developing a unique and ambitious reformulation of physics known as Causal Fermion Systems (CFS). Physicists usually describe the world in terms of fields defined on a spacetime manifold. Within this familiar framework, abstract quantities such as correlations between matter fields at different points in spacetime can be computed. In mathematical language, these correlations are captured by operators acting on a Hilbert space. What Felix realized is that this process can be reversed. If you start with a suitable collection of operators on a Hilbert space, satisfying certain mathematical properties, you can in principle reconstruct the underlying spacetime and fields that would give rise to those operators as operators of correlations. In this sense, Causal Fermion Systems offers a dual description of reality. On the one hand, reality can be described in terms of symmetries, fields, and manifolds - the usual language of physics. On the other hand, CFS proposes that reality can just as well be described using abstract structures: Hilbert spaces, operators, and measures on sets of operators. Spacetime, matter, and everything we observe then emerges from these underlying mathematical quantities. The beauty of reformulating physics this way is that it opens up an entirely new framework in which to explore some of the deepest open questions in physics: What is spacetime like at the smallest scales? Why do we see precisely the particles we do in experiments? The hope is that within the CFS framework, answers to such questions might become more natural or even inevitable. Of course, we can’t cover a 30-year research program in full detail in a single conversation. The goal here is to get a sense of the flavor of Felix’s approach to physics. For the full details, you can explore Felix's books (e.g. https://www.cambridge.org/core/books/causal-fermion-systems/CCA6DE1E1F4DA3AC0EF6729664A5D5B9 ). ►Watch on YouTube: https://youtu.be/qQl51qifus0 ►Find out more about Felix's work here: https://www.uni-regensburg.de/mathematik/mathematik-1/startseite/index.html https://causal-fermion-system.com/
#88
Jul 29, 2025 · 1 hr 5 min
Is Aging Treatable? Radical Mouse Experiments Begin | Aubrey de Grey | Escaped Sapiens #83
Aging has long been treated as inevitable. But what if it’s not? What if aging is, at its core, a problem to be solved? In this episode, I speak with biomedical gerontologist Aubrey de Grey about the most ambitious anti-aging experiment ever conducted on mice. The Robust Mouse Rejuvenation (RMR) study, spearheaded by Aubrey and the Longevity Escape Velocity Foundation, aims to extend both the average and maximum lifespan of mice by at least 12 months—a staggering leap in a species that typically lives around 30 months. We unpack the science behind this bold endeavor: What is aging? Why aim for rejuvenation and damage repair as opposed to slowing down aging? What interventions are being trialed in mice? What are the best achievable results? What does the blueprint for longevity escape velocity look like? ►Watch on YouTube: https://youtu.be/YiX5GKDtYWY ►Find out more about Aubrey's work here: https://www.levf.org/team https://www.levf.org/projects/robust-mouse-rejuvenation-study-1/study-updates

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