
35 segments available
Manolis Kellis is a professor at MIT and head of the MIT Computational Biology Group. He is interested in understanding the human genome from a computational, evolutionary, biological, and other cross-disciplinary perspectives. Support this podcast by supporting our sponsors: - MasterClass: https://masterclass.com/lex - Eight Sleep: https://eightsleep.com/lex - Blinkist: https://blinkist.com/lex EPISODE LINKS: Manolis Website: http://web.mit.edu/manoli/ Manolis Twitter: https://twitter.com/manoliskellis Manolis Wikipedia: https://en.wikipedia.org/wiki/Manolis_Kellis PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 3:54 - Human genome 17:47 - Sources of knowledge 29:15 - Free will 33:26 - Simulation 35:17 - Biological and computing 50:10 - Genome-wide evolutionary signatures 56:54 - Evolution of COVID-19 1:02:59 - Are viruses intelligent? 1:12:08 - Humans vs viruses 1:19:39 - Engineered pandemics 1:23:23 - Immune system 1:33:22 - Placebo effect 1:35:39 - Human genome source code 1:44:40 - Mutation 1:51:46 - Deep learning 1:58:08 - Neuralink 2:07:07 - Language 2:15:19 - Meaning of life CONNECT: - Subscribe to this YouTube channel - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/LexFridmanPage - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Support on Patreon: https://www.patreon.com/lexfridman
In this segment, Lex Fridman introduces Manolis Kellis, a professor at MIT and head of the MIT Computational Biology Group. Kellis shares his passion for understanding the human genome through various interdisciplinary lenses, highlighting his extensive contributions to the field of genomics.
"the following is a conversation with manolis kellis he's a professor at mit and head of the mit computational biology group he's interested in understanding the human genome from a computational evolu..."
Manolis Kellis discusses the inherent beauty of genomes, emphasizing that the human genome is not just a human construct but part of a larger digital legacy of life. He explains how digital inheritance preserves information across generations, contrasting it with analog systems that would lose data over time.
"what to use the most beautiful aspect of the human genome don't get me started so we got time um the first answer is that the beauty of genomes transcends humanity so it's not just about the human gen..."
Kellis elaborates on the historical misconceptions surrounding inheritance, particularly how Mendel's work was initially misunderstood. He explains the concept of discrete units of inheritance and how modern genetics recognizes the complexity of traits that arise from multiple genetic factors.
"i'm not sure any of us know how to do that in this modern day we're actually learning one of the big surprising thing to me about the the coronavirus for example is that twitter has been one of the be..."
In this segment, Kellis explores the paradox of human similarity despite vast genetic potential for diversity. He discusses selective advantages of being 'average' in traits like height and how balancing selection influences human genetics.
"the trend with and the speed with which human genetics has progressed we can now find thousands of genes involved in human cognition in human psychology in the emotions and the feelings that we used t..."
Kellis reflects on the unique aspects of the human genome, particularly the significance of genetic variation. He emphasizes that while humans are 99.9% identical, the small differences contribute to individuality and the richness of human experience.
"so on that's on that topic let me ask the most absurd question uh that uh most mit faculty role their eyes on but uh do what do you think about the simulation hypothesis and the idea that we live in a..."
Kellis introduces the concept of vertical and horizontal inheritance in humans. He explains how humans not only inherit genes from their parents but also acquire knowledge and culture from their environment, highlighting the importance of education and social interactions.
"difference to you between the way a computer stores information and uh the human genome stores information so you also have roots and your work would you say you're when you introduce yourself at a ba..."
In this segment, Kellis discusses the impact of the internet on knowledge dissemination. He expresses excitement about the democratization of information while also acknowledging the challenges posed by misinformation and the need for critical thinking skills.
"skip skip skip skip skip let me try to start somewhere in the middle so my first phd paper was uh the first comparative analysis of multiple species so multiple complete genomes so for the first time ..."
Kellis reflects on the balance between democratized knowledge and respect for expertise. He emphasizes the importance of teaching future generations how to discern credible information and navigate the vast landscape of knowledge available online.
"so you now have this mapping between all of the set of functions that could all encode the same all of the set of sequences that can all encode the same function what evolutionary signatures does is t..."
Kellis shares insights from the COVID-19 pandemic, highlighting the rapid advancements in vaccine development and the role of horizontal information transfer in the scientific community's response to the crisis.
"fascinating to you that viruses are doing this i mean it feels like they're this intelligent organism i mean is it like does that give you pause how incredible it is that they're the the evolutionary ..."
In this segment, Kellis discusses the future of knowledge acquisition in the context of rapid technological advancements. He emphasizes the need for a foundational education that equips individuals with the skills to seek and evaluate information effectively.
"beauty to it is there is it is it terrifying to you so this is something that has happened throughout history humans have been nearly wiped out over and over and over again and yet never fully wiped o..."
Kellis contemplates the deeper implications of human genetics and knowledge. He suggests that understanding our genetic makeup can foster greater empathy and connection among individuals, potentially reducing conflict and promoting harmony.
"current virus so you're saying natural pandemics may not be something that you're really afraid of because of the diversity in our genetic makeup what about engineered pandemics do you have fears of u..."
Kellis elaborates on the resilience of the human genome, explaining how it can tolerate significant changes without detrimental effects. He discusses the implications of this resilience for understanding evolution and the robustness of biological systems.
"so i made a very provocative claim earlier that we are a digital computer like that at the core lies a digital code and that's true in many ways but surrounding that digital core there's a huge amount..."
Kellis reflects on the chaotic nature of evolution, explaining how biological systems evolve through random mutations and natural selection. He discusses the implications of genome duplication and the loss of genes, emphasizing that evolution is not a tidy process but rather a complex and often messy journey.
"seven in chromosome 12. you instead have content based indexing so at every location in the genome in front of the genes that need to be turned on i don't know when you drink coffee there's a little c..."
In this concluding segment, Kellis highlights the elegance found in biological systems, despite their inherent messiness. He draws parallels between the design of the human genome and viral genomes, illustrating how evolutionary pressures shape the complexity and functionality of life.
"they're first resilient and then anything else and when you look at this incredible beauty of life from the most i don't know beautiful i don't know human genome maybe of humanity and all of the ideal..."
Manolis Kellis discusses the complexities of genome duplication and the subsequent loss of genes in evolutionary biology. He explains how non-intelligent, ruthless selection leads to rapid gene loss after duplication, emphasizing that evolution is a messy process that builds complexity over time. This segment highlights the chaotic nature of biological systems and their ability to adapt through mutation.
"oh yeah you are yeah so basically from one day to the next you went from having eight chromosomes to having 16 chromosomes probably a non-disjunction event during a duplication during a division so yo..."
In this segment, Kellis elaborates on how mutations can lead to new functions in genomes, particularly in the context of the COVID-19 pandemic. He explains that understanding evolutionary dynamics helps identify which mutations are significant and how they affect viral transmission. This discussion underscores the importance of studying past mutations to anticipate future evolutionary changes.
"you know the example that i was giving of messing with 20 of your bits in your computer totally bogus duplicating all your functions and just throwing them out there in the same you know function just..."
Kellis provides insights into the D614G mutation of the SARS-CoV-2 virus, detailing its significance in human transmission. He explains how this mutation represents a new adaptation that enhances the virus's ability to spread among humans, contrasting its previous adaptations for bat transmission. This segment emphasizes the evolutionary implications of specific mutations in the context of viral outbreaks.
"functions so new functionalization comes from the very thing that breaks it so even in the current pandemic many people are asking me which mutations matter the most and what i tell them is well we ca..."
Kellis discusses how evolutionary history can inform future predictions about viral mutations and vaccine development. He highlights the importance of identifying stable regions of the genome that are less likely to mutate, which can guide vaccine design. This segment illustrates the practical applications of evolutionary biology in addressing current health challenges.
"exactly and that hasn't happened before yeah and and this somehow this mutation is really useful uh it's really useful in the current environment of the genome which is moving from human to human when..."
In this thought-provoking segment, Kellis draws parallels between biological evolution and engineering practices. He argues that engineers should embrace messiness and robustness rather than striving for perfection. This perspective encourages innovation and resilience in engineering, suggesting that breaking things can lead to new solutions and advancements.
"as you're building a vaccine here's what you should be focusing on in terms of the most stable regions that are the least likely to mutate or here's the newly evolved functions that are most likely to..."
Kellis explores the relationship between deep learning systems and biological processes, emphasizing how both can benefit from embracing complexity and messiness. He discusses how deep learning models can evolve and adapt, similar to biological systems, and how this approach can lead to more effective problem-solving in technology. This segment highlights the intersection of biology and artificial intelligence.
"the spacex approach versus nasa for the for example is there something we can learn about the incredible uh take lessons from the incredible biological systems in their resilience in their in the mush..."
In this segment, Kellis speculates on the potential of brain-computer interfaces, discussing how humans might learn to communicate with machines. He draws on examples from early technology to illustrate how humans can adapt to new systems. This discussion raises intriguing questions about the future of human-machine interaction and the implications for cognitive development.
"that same genome encodes every single freaking cell type of the entire body every single cell is encoded by the same code and yet specialization allows you to have this single viral-like genome that s..."
Kellis concludes with a fascinating analogy about how humans learn to control their limbs and how this process could apply to artificial limbs or brain-computer interfaces. He emphasizes the brain's plasticity and adaptability, suggesting that as technology evolves, humans will find ways to integrate and control new systems. This segment encapsulates the theme of adaptability in both biology and technology.
"work that might not be very different from how humans learn to use their natural limbs when they first grow up basically you have these you know neoteny period of you know this puddle of soup inside y..."
The conversation shifts to the complexities of understanding human thought and the limitations of current neuroscience. Kellis emphasizes the need for deeper insights into how thoughts are encoded in the brain before we can effectively interface with machines.
"malleability that happens you know naturally in our way of controlling our body our brain or thoughts or vocal cords or limbs etc and human machine interfaces are inevitable if we sort of figure out h..."
Kellis and Fridman discuss the significance of language in conveying thoughts and emotions. They reflect on how ambiguity in language can be a feature, allowing for rich emotional expression and the complexities involved in translation across cultures.
"magnets right but the the thing is the hope is if you increase that number more and more and more maybe you don't need to understand anything about the actual how human thought is represented in the b..."
Fridman shares his personal journey into the art of translation, particularly in relation to Russian literature. He highlights the profound depth and complexity involved in translating meaning, culture, and emotional context from one language to another.
"create all these neurons they migrate they form connections they sort of you know spread out they have particular branching patterns but then the connectivity itself unique in every single new person ..."
Kellis discusses his passion for the evolution of language and etymology, explaining how understanding the roots of words can provide insights into their meanings and cultural significance. He emphasizes the evolutionary dynamics of language and its parallels with biological evolution.
"something that you know is there so so yes there's ambiguity but there's all kinds of connotations and in the way that we select our words we have so much baggage that we're sending along the way that..."
The conversation delves into how words carry emotional weight and cultural baggage. Kellis explains that the meaning of words is not fixed but evolves based on context, personal experiences, and cultural backgrounds, making translation a complex and nuanced task.
"loss in translation between russian and english and getting a sense of that like for example there's like just taking a single sentence from dostoyevsky and like there's a lot of them you could you co..."
Kellis reflects on the quest for meaning in life, drawing parallels between the search for meaning in language and the broader human experience. He discusses how this quest is a fundamental aspect of being human and how it connects to the evolution of life itself.
"word and then of course the word takes new meaning as you create it you know from its parts and that meaning then gets augmented and two synonyms that that sort of have different roots will actually h..."
The discussion shifts to the collective human experience and how individual perspectives contribute to a shared understanding of life. Kellis emphasizes the importance of communication and the emergent properties that arise from interactions among individuals.
"properties of these communication networks where every single you know if you look at the network of our cells and how they're communicating with each other every cell has its own code this code is mo..."
Kellis shares insights from his 'Meaning of Life Symposium,' where he invited colleagues to present their perspectives on life's meaning. He highlights the diversity of answers and the common threads that emerged, illustrating the complexity and richness of human existence.
"evoke that same set of reactions to a french person than to a russian person because of the baggage of the culture that we grew up in yeah i mean there's so so basically you shouldn't find the best wo..."
The conversation culminates in a discussion about the purpose of life, touching on philosophical questions about existence, evolution, and the nature of life itself. Kellis reflects on the interplay between individual quests for meaning and the broader context of life in the universe.
"question of all meaning of life off mike you mentioned to me that you um you had your 42nd birthday 40 a second being a very special absurdly special number uh and you had to kind of um get together w..."
In this segment, Kellis shares his experience during the pandemic, highlighting the exhilaration of working intensely and feeling useful. He expresses gratitude for the intellectual challenges he faces daily and the fulfillment derived from contributing to scientific discovery. This reflection emphasizes the joy of engaging with complex ideas and the satisfaction of being productive.
"or a new layer of a computer system so that's at the level of you know big questions there's another aspect of gratitude of basically what i you know what i like to say is during this pandemic i've ba..."
Kellis discusses the transformative experience of parenthood, emphasizing how raising children enriches his understanding of the world. He reflects on the unique insights gained from observing his children's growth and the emotional depth that comes with parenting. This segment highlights the profound impact of familial relationships on personal development and the human experience.
"so i've written this little sort of prayer for my kids to say at bedtime every night where they basically say thank you god for all you have given me and give me the strength to give unto others with ..."
In this segment, Kellis connects his roles as a parent and a professor, explaining how his experiences at home enhance his teaching. He emphasizes the importance of conveying complex knowledge in an accessible way and the value of nurturing curiosity in students. This reflection underscores the interconnectedness of personal and professional growth in the pursuit of knowledge.
"we learn through life to become truly human adults but there's something so beautiful about seeing that progression between them the complexity of the language growing as more neural connections are f..."
As the conversation concludes, Kellis expresses gratitude for the discussion and reflects on the importance of sharing knowledge. He quotes Charles Darwin, emphasizing the value of art and music in life. This closing segment encapsulates the themes of discovery, collaboration, and the beauty of intellectual engagement, leaving viewers with a sense of inspiration and curiosity.
"research so conveying of knowledge conveying this lateral transfer that i was talking about at the very beginning of sort of human humanity and sort of the sharing of information all of that has gotte..."