The Future of Everything

To kick off 2024, we’re bringing you an episode that’s been one of our most popular. The timing is just right as many of us are headed into the new year thinking about how to live better. In this episode, Professor Helen Blau, a stem cell biologist, tells us all about how she’s recruiting stem cells to regenerate youthful muscle in older people. We’re thrilled to bring this episode out of the archives for another listen and renewed hope about possibilities ahead in the world of health.  Happy New Year from Russ and the team here at The Future of Everything. 

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Chapters:

(00:00:00) Introduction & Importance of Muscles in Aging
Host Russ Altman introduces the episode, the ways that muscles weakening with age affects us, and how guest, Professor Helen Blau’s work with stem cells  is addressing this.

(00:02:03) Regenerative Medicine & Stem Cells

The goals of regenerative medicine in enhancing the quality of life as people age. Overview of different types of stem cells and their potential.

(00:04:28) Focus on Muscle: Sarcopenia and Aging

Emphasizing the desire to age well, and the centrality of muscles in daily activities and how they atrophy with age.

(00:07:44) Approaches to Combating Muscle Aging

Lack of available drugs addressing muscle wasting and potential research directions. Targeting stem cells and mature muscle fibers for rejuvenation.

(00:09:09) Lab Discoveries and Challenges

Dr.  Blau's lab experiments to identify and maintain functional stem cells, the breakthrough in bioengineering microenvironments & it’s impact.

(00:12:41) Stem Cell Rejuvenation

Insights into rejuvenating stem cell functions through cell therapy that lead to. 

(00:14:37) Inflammatory Pathways and Stem Cell Response

Dr Blau explains the importance of the wave of inflammation for stem cells, and the discoveries this lead to. 

(00:17:55) Broad-Scale Muscle Rejuvenation

Exploring systemic alterations targeting inflammation pathways for global muscle regeneration. Identification of PGE-2 degrading enzyme and results of limiting this enzyme.

(00:21:33) Human Trials, Challenges & Drug Development

Discussion on the prospects of translating findings to human treatments and developing an oral drug

(00:24:42) Timeline and Clinical Trials

Anticipated timelines for the drug's availability for human trials and potential applications.

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Russ's curated playlist of six episodes from our archive to accompany you through the holiday season & into the new year.

Curated Episode Links:

• Is it time to rethink philanthropy? (Robert Reich) --> YouTube or Episode Page
• The future of the gut microbiome (KC Huang) --> YouTube or Episode Page
• How 3D printing is changing medicine (Joseph DeSimone) --> YouTube or Episode Page
• The future of computational linguistics (Chris Manning) --> YouTube or Episode Page
• Why physical books will always be with us (Elaine Treharne) --> YouTube or Episode Page
• A mobile app can be the gateway for helping communities improve their health and well-being (Abby King) --> YouTube or Episode Page

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Professor Michael Fischbach, tells us that the “gut biome” – that is, the complex community of bacteria that lives in our gastrointestinal tract – is what makes digesting and extracting nutrients from those meals possible. We hope you’ll tune in.

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Chapters:

(00:00:00) Introduction to Microbiome: A Primer

Host Russ Altman introduces the episode and its focus on the gut biome with guest Professor Michael Fischbach. Russ discusses the importance of bacteria & the influence of diet on maintaining a healthy microbiome, specifically yogurt

(00:04:08) The Role of Bacteria

An explanation of how bacteria are utilized by our body for digestion

(00:06:16) Antibiotics and Gut Microbiome Disruption

The repercussions of antibiotic use on the gut microbiome's composition and its effects on digestion.

(00:07:14) Bacterial Chemicals in the Body

A detailed explanation of how bacteria create chemicals that enter the bloodstream & example of one of these chemicals, of TMAO (trimethylamine N oxide) and its connection to heart disease risk. 

(00:09:48) Vegans and TMAO

Insight into a study involving vegans and their lack of TMAO production due to the absence of specific gut bacteria & its implications.

(00:12:31) Bacteria's Use of Chemicals for Survival

Dr. Fischbach explains how bacteria utilize chemicals in food due to the absence of oxygen in the gut. The concept of electrons and their role in bacterial survival.

(00:14:17) Microbial Communities

Discussion on manipulating microbial communities and the challenges associated with making precise changes. 

(00:15:22) Fecal Transplants and Community Dynamics

Insight into the success of fecal transplants in treating gut infections. Understanding the dynamics of microbial communities and their role in combating infections.

(00:18:30) Building Complex Microbial Communities

Exploring efforts to construct diverse communities and the stability of ecosystems. Early observations on the interactions between various bacterial species in complex communities

(00:21:16) Precision Fecal Transplants

Discussion on the limitations of fecal transplants and the need and potential for precision in microbial composition for treating diseases. 

(00:22:29) Microbiome Diagnostics for Disease Detection

The potential of microbiome analysis as a diagnostic tool for diseases like Crohn's, based on differences in gut community rosters. The debate around whether changes in the microbiome precede or result from diseases, as well as genetic & environmental factors.

(00:25:39) Fermented Foods and Microbiome Impact

Discussion on the potential health benefits of fermented foods and predictions about future interventions involving bacteria 

(00:26:29) Microbiome and Aging Effects

Early research on the impact of aging on the microbiome and the potential for programmed microbiome composition at different life stages.

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Professor Stephen Quake's research has helped countless patients avoid the pain and suffering that can come with invasive diagnostic testing. Russ and Stephen discuss his work to develop a number of noninvasive blood tests to help detect preterm births, genetic disorders like Down Syndrome, cancer, and organ transplant rejection. It’s an episode that reminds us of the power of good science. We hope you’ll take another listen and enjoy.

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Chapters:

(00:00:00) Introduction

Host Russ Altman introduces the episode featuring Dr. Stephen Quake, highlighting his contributions to non-invasive blood tests. 

(00:00:46) Understanding DNA in Diagnostics

Introduction to the revelation of detecting DNA in the bloodstream, shedding light on various bodily processes.

(00:02:24) The Beginning of Dr. Quake’s work with Cell Free DNA

Dr. Quake tells the story of his journey into research with cell free DNA beginning with searching for a less risky alternative to an amniocentesis

(00:05:11) Impact on Prenatal Testing

The transformation in prenatal diagnostics, replacing invasive tests  & understanding the detection capabilities for prenatal genetic disorders like using cell-free DNA.

(00:06:39) Transplant Rejection Monitoring

The discovery of cell free DNA & it’s use in heart & lung transplant patients detecting early rejection & the real-life implications of this technology.

(00:10:35) Unveiling Infectious Agents

The detection of infectious agents in blood & the real life applications of this discovery

(00:14:52) Advances in Cancer Detection

Discussion shifts to cancer detection using cell-free DNA, emphasizing the important application of monitoring cancer progression and treatment efficacy. 

(00:17:18) Predicting Preterm Birth

Dr. Quake delves into the groundbreaking research predicting preterm births using cell-free RNA and DNA, sharing insights into discoveries indicating preterm birth risks and gestational age predictions and the significance of this.

(00:21:42) The Chan Zuckerberg Biohub's Mission

The origins and bold mission of Steve Quake’s current work at the Chan Zuckerberg Biohub, to cure, treat, or prevent all human diseases by the end of the century and the feasibility of such an ambitious goal. 

(00:24:03) Biohub's Research Strategy

Biohub's strategy focusing on cell biology and infectious diseases internally, while funding nearly a hundred faculty across diverse areas in Bay Area Universities.

(00:26:26) Conclusion 

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Guest Percy Liang is an authority on AI who says that we are undergoing a paradigm shift in AI powered by foundation models, which are general-purpose models trained at immense scale, such as ChatGPT. In this episode of Stanford Engineering’s The Future of Everything podcast, Liang tells host Russ Altman about how foundation models are built, how to evaluate them, and the growing concerns with lack of openness and transparency.

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Chapters:

(00:00:00) Introduction
Host Russ Altman introduces Percy Liang, who runs the Stanford Center on Foundation Models 

(00:02:26) Defining Foundation Models

Percy Liang explains the concept of foundation models and the paradigm shift they represent. 

(00:04:22) How are Foundation Models Built & Trained?

Explanation of the training data sources and the scale of training data: training on trillions of words. Details on the network architecture, parameters, and the objective function.

(00:10:36) Context Length & Predictive Capabilities

Discussion on context length and its role in predictions. Examples illustrating the influence of context length on predictive accuracy. 

(00:12:28) Understanding Hallucination

Percy Liang explains how foundation models “hallucinate”, and the need for both truth and creative tasks which requires “lying”.

 (00:15:19) Alignment and Reinforcement in Training

The role of alignment and reinforcement learning from human feedback in controlling model outputs. 

(00:18:14) Evaluating Foundation Models

The shift from task-specific evaluations to comprehensive model evaluations, Introduction of HELM & the challenges in evaluation these models. 

(00:25:09) Foundation Models Transparency Index

Percy Liang details the Foundation Models Transparency Index, the initial results and reactions by the companies evaluated by it.

(00:29:42) Open vs. Closed AI Models: Benefits & Risks

The spectrum between open and closed AI models , benefits and security impacts

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Guest Alex Konings studies fundamental links between the global cycle of water percolating into the ground and evaporating into the skies and a similar cycle of carbon moving through the world, shaping ecosystems, droughts, and fires. These cycles are inextricably bound, she says, and understanding how they function individually and in tandem is key to life on planet Earth. These important cycles may be easily overlooked but they cannot be ignored, Konings tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.

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Chapters:

(00:00:00) Introductions 

Host Russ Altman introduces the episode's focus on plant water with Dr. Alex Konings.

(00:02:37) Understanding Global Carbon and Water Cycles

Dr. Konings defines and explains the global carbon and water cycles and their interconnectedness, and significance

(00:05:08) Transpiration

Detailed explanation of transpiration: the movement of water through plants, from soil to leaves and into the atmosphere. Significance of transpiration in the context of water loss and its impact on available resources.

(00:07:25) Implications of Transpiration

Discussion on how transpiration affects weather, solar energy, weather forecasts & water cycling via transpiration.

(00:10:21) Transpiration and Climate Change

Dr. Konings elaborates on the changing dynamics of transpiration in response to rising atmospheric temperatures &  how plants adapt to increased transpiration, as well as their area of research.

(00:13:48) Using Satellites to measure Plant Water Content

Explanation of how satellites utilize microwaves and radar technology to measure water content in plants & challenges associated with it.

(00:18:37) Impact of Transpiration on Droughts

Dr. Konings elaborates on how increased transpiration in higher temperature intensifies and speeds up the onset of drought conditions.

(00:21:37) Satellite Gravity Measurements for Groundwater Assessment

An explanation of how satellites can be utilized to measure groundwater by measuring the force of gravity. 

(00:22:30) Plant Water Dynamics, Fire Risk & Predictions

Dr. Konings discusses the intricate relationship between plant water dynamics and fire risk, and how satellite-derived plant water data can be utilized in fire risk assessment models.

(00:26:39) Satellite Sources and Public Data Accessibility

Insight into the satellites used for measurements & accessibility of satellite data from federal agencies for research and public use.

(00:27:51) Role in Governmental Agencies and Policy

Dr. Konings elaborates on how her measurements and research is being utilized by government bodies and the potential for it.

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We’re re-running a fascinating conversation Russ had with Zhenan Bao back in 2017 about the work she and her lab are doing to develop artificial skin. The possible applications of a material that could replicate properties of human skin range from restoring a sense of touch for amputees to creating bendable electronics. Thank you for tuning in, we hope you enjoy this episode from the archives.

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Chapters:

(00:00:00) Introduction and Understanding the Significance of Skin

Russ Altman introduces the episode, guest, Dr. Zhenan Bao, and the topic of artificial skin technology. 

(00:02:40) Exploring the Science Behind Artificial Skin

Dr. Bao explains the materials and mechanisms behind artificial skin.

(00:05:51) Practical Applications and Future Possibilities

Potential applications, including foldable cell phones, sensors on prosthetic limbs, paint, and clothing, the opportunities and concerns. 

(00:10:06) Self-Healing Properties of Artificial Skin

Dr. Bao explains the concept of self-healing materials, inspired by biological systems, enabled by shape memory materials.

(00:12:33) Exploring Applications in Energy Sources

Potential applications of flexible materials in solar cells and lithium-ion batteries, & safety concerns  and battery health monitoring using these materials.

(00:15:05) Integrating Multiple Sensory Functions

Russ asks about  the possibility of integrating various sensory functions into a single material, and Dr. Bao explains options for layering using inkjet  and 3d printing.

(00:17:56) Interface Challenges and Communicating with the Human Brain

The conversation delves into the challenges of interfacing electronic materials with the human brain.

(00:19:54) Research Motivation and Collaborative Approach

Dr. Bao shares her journey into her field of research, the collaborators she chooses and her studentès innovations.

(00:22:51) Bendable Cell Phones: A Glimpse into the Future

Insights into the future of smartphones, describing bendable devices that offer a transformative user experience.

(00:25:11) University Research and Transformative Impact

Dr. Zhenan Bao explains the focus of university research, emphasizing the importance of dreaming about the future, training the next generation, and balancing transformative impact with long-term goals.

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Space exploration and travel are two topics that are always exciting, and that have sparked a lot of enthusiasm about the future. Debbie Senesky, a previous guest on the show, researches ways to develop tiny, tough electronics that could help augment our abilities to further explore extreme environments, such as those found in space. Today we’re re-running a conversation Russ had with Debbie in 2017 on this topic.  Enjoy.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces the episode, guest, Dr. Debbie Senesky and electronics for extreme environments.

(00:04:29) Challenges in Space Exploration

Dr. Senesky's insights into the challenges of space exploration, focusing on the need for tiny and tough electronics and introduces wide bandgap semiconductor materials.

(00:07:38) Operation Temperatures of New Materials

Discussion on the operational temperatures of wide band gap semiconductor materials, & contextualization of these temperatures in everyday life.

(00:10:13) Venus and it’s harsh environment

Introduction to Venus, and its unique characteristics as well as the scientific goals and reasons for studying it.

(00:13:10) History of Venus Missions and Exploration

Overview of past Venus missions, including the Venera program by Russia, and the challenges faced in engineering for these missions

(00:16:21) Engineering Challenges in Other Space Exploration

The conversation moves on to some of the other challenges posed by exploring other planets and areas of space including cold temps and power sources.

(00:18:03) Collaboration with Space Agencies

Discussion on collaborations between research labs and space agencies like NASA; Dr. Senesky explains her current area of research and opportunities for testing. 

(00:21:15) The Space Industry Renaissance and Access to Space

Russ & Debbie discuss the current boom of the space industry, the technology and developments, as well as the challenges raised by it.

(00:23:34) Nanoscale Materials and Engineering Challenges

Introduction to nanoscale materials, their production, and  their applications in space technologies. 

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Using math to improve photographs, with expert guest Gordon Wetzstein. Such methods have exploded in recent years and have wide-ranging impacts from improving your family photos, to making self-driving cars safer, to building ever-more-powerful microscopes. Somewhere in between hardware and software, he says, is the field of computational imaging, which makes cameras do some pretty amazing things. Wetzstein and host Russ Altman bring it all into focus on this episode of Stanford Engineering’s The Future of Everything podcast.

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Chapters:

(00:00:00) Introductions 

Host Russ Altman introduces the guest, Gordon Wetzstein as well as the concept of non-line-of-sight imaging.

(00:02:58) Computational Imaging 

Gordon Wetzstein explains the concept of computational imaging and the way it integrates hardware and software for optimal image capture.

(00:04:22) High Dynamic Range (HDR) Imaging  & Focal Stacking

An explanation of what HDR is and how it captures high-contrast scenes, and the similar process of focal stacking, using multiple images to create depth. 

(00:09:56) Non-Line-of-Sight Imaging 

(00:15:51) Optical Computing: Extending Hardware Capabilities 

Insights into optical computing, explaining how specially designed hardware can preprocess data for AI algorithms.

(00:18:08) Applications of Optical Computing

Exploration of applications for optical computing in power constraint systems and increased efficiency in data centers.

(00:23:07) The Intersection of AI, Physics, and Computer Graphics 

Synergy between AI, physics, and computer graphics in creating 3D content and models. 

(00:25:47) Generative AI to Create 3D from 2D

Exploring the challenge of generating 3D digital humans from unstructured 2D images using algorithms

(00:32:02) Challenges & Advancements in VR and AR Design 

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Almost everyone knows someone who has battled cancer. Today, on The Future of Everything, we’re re-running our episode with Professor Jennifer Cochran who is bringing some hope in this area through work she and her lab are doing to find ways to localize therapies directly to the site of cancer tumors for more efficient and effective treatment. You won’t want to miss this one, it’s full of inspiring insights that will hopefully move us toward a future of improving outcomes for cancer patients.

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Chapters:

(00:00:00) Introduction

Host Russ Altman introduces the episode, highlighting the widespread impact of cancer and the need for innovative treatment methods.

(00:00:45) Traditional Cancer Treatments

Overview of conventional cancer treatments: surgery, radiation, and chemotherapy. Challenges and limitations associated with existing treatments.

(00:03:30) New Approaches to Cancer Therapy

Exploration of targeted therapies utilizing biological understanding of cancer cells. 

(00:05:46) Guided Chemotherapy Missiles

Introduction of guest Dr. Jennifer Cochran and her work developing ‘guided chemotherapy missiles’. Dr Cochran explains how they work and the benefits of them.

(00:09:04) Directed Evolution and Designer Proteins

Introduction to the concept of directed evolution, the process of driving evolution in a test tube to create designer proteins with specific properties.

(00:11:16) Utilizing Squirting Cucumber Seed Peptides for Chemotherapy

Dr. Cochran discusses how they transformed a peptide from the seeds of the squirting cucumber into a tumor-targeting agent, the challenges of the process and the current state of the research.

(00:14:56) Immunotherapy and Cancer Treatment

Introduction to immunotherapy and how these therapies work in our body to fight cancers

(00:16:45) Orchestrating Immune Responses: Combining Immunotherapy and Targeted Molecules

Dr. Cochran explains the collaboration between tumor targeting technology and immunotherapy and current developments.

(00:20:08) Making Immunotherapy Accessible: Challenges and Innovations

Dr. Cochran discusses the availability of immunotherapies for cancer patients and the need for broader accessibility.

(00:21:30) Interdisciplinary Collaboration and Technology Application

Exploration of interdisciplinary collaborative research, the challenges and opportunities.

(00:22:59) Translating Lab Discoveries into Treatments

Russ & Jennifer discuss the process and challenges of translating lab research from academia into actual drug development including “ the valley of death”

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