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    #205 – Zach Bitter: Ultramarathon Running

    enJuly 29, 2021

    Podcast Summary

    • Managing Thoughts in Ultra Marathon RunningAthletes need to control their thoughts to improve their performance. Finishing a first 100-mile race is crucial to gaining experience. Different tactics include getting angry or observing and letting go of negative thoughts.

      Ultra marathon running involves a range of emotions and mental processes, both positive and negative. Athletes need to learn to manage their thoughts to improve their performance. Negative thoughts can spiral into self-doubt and impact the race's outcome, so it's essential to learn how to catch positive momentum and avoid a negative mindset. It's recommended that first-time 100-mile runners finish the race, even if they need to death march, to experience the highs and lows and have a template to build off of in the future. Different athletes use different tactics to deal with negative thoughts, from being angry at the weak version of themselves to observing the thought and letting it go.

    • Finding Your Motivational Approach for SuccessDiscover what motivates you individually and keep your long-term goals in focus to push through tough times and reach your targets.

      Different people respond to different approaches when it comes to motivation and accountability. Some individuals may benefit from a high-energy approach while others may opt for a calming and soft presence. It's all about finding what works best for you in different situations. When contemplating quitting, it's crucial to keep the bigger picture in mind and focus on the broader goal rather than the momentary discomfort. By setting long-term goals and planning ahead, it becomes easier to push through the difficulties and succeed in achieving your targets.

    • The Importance of Perspective in Overcoming ChallengesWhen facing a difficult challenge, keep a list of reasons why you are pursuing it, maintain a never-quit attitude, and shift your perspective to maintain a strong mindset towards achieving success.

      Ultra marathon runner Zach Bitter discusses the importance of perspective when pushing through difficult challenges. It's easy to become discouraged when looking at a daunting task in isolation, but it's important to remember the hard work and dedication that has gone into reaching that point. Bitter suggests asking oneself why they are pursuing a particular goal and keeping a list of reasons to reference when facing doubts. He also stresses the value of the never-quit ethos, as quitting on one task can open the door to quitting on others in the future. Ultimately, shifting one's perspective and maintaining a strong mindset can make all the difference in achieving success.

    • The Importance of Knowing When to Quit and Finding a Balance in Pushing YourselfAssess whether you truly want to continue, hold yourself accountable, and strike a balance between pushing yourself and knowing when to quit for your well-being. Taking on new challenges can strengthen your ability to never quit.

      The key takeaway from this section is that it's important to assess whether you truly want to do what you're doing and to hold yourself accountable if you decide to continue. It's okay to struggle and have doubts but pushing through those moments can help redefine what you're capable of. However, living by a never quit mentality isn't always the best approach as it can lead to diminishing returns and over-optimization. It's important to strike a balance between pushing yourself and knowing when to quit for the sake of your well-being. Additionally, taking on new challenges that introduce chaos can strengthen your ability to never quit.

    • Ultra Runner Zach Bitter: Taking a Break to Improve Performance.Taking breaks can be beneficial in improving performance and enjoyment. Stepping away from routine and challenging oneself can lead to growth and improvement in different areas.

      Ultra runner Zach Bitter's passion is finding and training for events that he loves. He thrives on being able to control the environment as much as possible, which helps him improve and avoid burning out. However, he also recognizes the importance of taking a break from these types of events to hit the "reset" button on his mental energy and happiness. Bitter took a break from his flat and runnable ultra races to prepare for a technical and mountainous trail run. The experience was enjoyable and allowed him to improve in different areas. Stepping away from the norm allowed him to improve and enjoy running even more.

    • Running a Hundred Miles: Balancing Process and PerformanceWhile it's possible to run a hundred miles with minimal training, setting goals and preparing for fueling, hydration, pacing, and other variables is crucial for optimal performance. Finding a balance between enjoyment and pushing our bodies is key.

      Running a hundred miles may seem like an impossible feat, but it's not as difficult as one may think. People have run a hundred miles with minimal training, proving that the human body can tolerate a lot more than we expect it to. However, when it comes to performance, having goals and targets can bring more variables to the table, such as preparing for fueling, hydration, pacing, and a whole myriad of other factors. Ultimately, it's about finding a balance between enjoying the process and pushing our bodies to meet our goals.

    • Optimizing Performance and Responding to Challenges in Ultra RunningTo excel in ultra running, focus on food and pacing strategies, be mentally prepared for unexpected situations, and prioritize accuracy in distance measurement. Don't dwell on mistakes that can impact performance.

      Ultra running requires a focus on optimizing various factors, including food intake and pacing strategies, to achieve peak performance. However, there is a breaking point where there are too many variables to account for, especially as the distance gets longer. It is important to be mentally prepared to respond to unexpected situations during the race and not dwell on mistakes, as this can significantly impact performance. In ultra running, there is a wide range of events, with the Western States 100, Ultra Trail Mountain Block, and Comrades Marathon being the most competitive ones. The importance of precise distances varies across different cultures, with the United States prioritizing accuracy.

    • Strategies for optimizing ultra marathon performance.To optimize performance, analyze controllable variables like pacing and track protocol. Adjust pacing strategies to account for unique challenges presented by individual races, such as stopping times or varied pacing ranges.

      Ultra marathoners face varying challenges depending on the race they participate in. Trail races may have different terrains and weather conditions that make them harder to compare year after year, while road races like comrades offer more consistency. Ultra marathoner Zach Bitter optimizes his performance by analyzing controllable variables such as pacing, track protocol, and non-moving time. He also adjusts his pacing strategy to account for the unique challenges of each race, such as stopping times or wider ranges of pacing. Although he recently held the world record for the 100-mile ultra marathon, the record has since been broken by Alex Sorkin from Lithuania.

    • Zach Bitter's 100-Mile World Record: The Importance of Pacing StrategyFocusing on consistent pacing and breaking a race down into segments can help achieve optimal results, even when attempting to break world records.

      Ultra-marathoner, Zach Bitter, broke the 100-mile run world record in November 2019 with a time of 11 hours, 19 minutes, and 13 seconds. He achieved this by focusing on his pacing strategy, specifically a slight negative or positive split for each segment of the 100 miles. Bitter's goal shifted from simply breaking the world record to exploring how fast a human could run 100 miles, possibly reaching a sub-11 hour finish time. To achieve optimal pacing, Bitter ran on a track, where direction is switched every four hours, and kept a consistent footstrike frequency, although he did not have data to confirm the exact number.

    • The Fascinating Variability in Leg Movement from a Robotics PerspectiveOptimal cadence for a person varies depending on speed, foot strike, and gait. Breaking records is motivating, but it's important to consider the impact on the sport and inspire new individuals to push the limits.

      The variability in the way individuals use their legs to move is fascinating from a robotics perspective. While there may be slight variances in cadence or foot strike within an individual, it is the differences between individuals that can be significant due to variations in gait. Optimal cadence for a person may vary depending on their speed, foot strike, and gate, but the faster someone goes, the higher their cadence will likely be. Breaking records is motivating, but it is important to consider the impact on the sport and inspire new individuals to join and push the limits further.

    • The Art and Science of RunningRunning is a form of art that requires consistent training and moment of creative risk-taking during competition. It brings both immediate and long-term gratification through the release of endorphins and gradual progress made over time.

      Running brings both immediate and long-term gratification, according to ultra runner Zach Bitter in a podcast with Lex Fridman. Runners feel great after a run due to the release of endorphins, and short-term progress metrics such as distance covered can be motivating. Longer-term, runners can see gradual progress made through consistent training. The ultimate expression of a runner's work is the race, in which they can push themselves further and be the "artist" of their performance. Running, like other activities such as chess or grappling, can be seen as an art form that requires both scientific training and moments of creative risk-taking during competition.

    • The Importance of Making Mistakes and Training Techniques in Endurance Sports.The true meaning in sports comes from learning from mistakes, building a strong aerobic foundation, targeting specific effort levels, and incorporating various types of intervals and tempo runs to improve performance.

      The key takeaway from this section is that finding meaning in running or any sport comes from making mistakes and learning from them. It's not just about winning or achieving specific goals, but also about the process of adjusting and tinkering to improve performance. In endurance sports like ultra marathons, it's important to build a strong aerobic foundation before focusing on specific training. Time on feet is important, but so is targeting a certain effort level to get a desired response from the body. Finally, focusing on different types of intervals and tempo runs can help improve performance at different paces and intensities.

    • Building a Strong Aerobic Base for Distance RunningTo improve your distance running, focus on building a strong aerobic base through training at your aerobic threshold. Use the maximum aerobic function training philosophy and the math 180 formula to determine your threshold and prioritize fat metabolism. Pay attention to breathing efficiency during exercise.

      Zach Bitter, a professional ultra-marathoner, emphasizes the importance of building a strong aerobic base through distance running. He suggests targeting the aerobic threshold, which is the point where you're exercising with maximum efficiency without crossing over into anaerobic exercise. Bitter recommends using the maximum aerobic function training philosophy, which involves consistent training at a fairly high volume with a low injury risk and prioritizes fat metabolism. The math 180 formula, which involves training at a heart rate of 180 minus your age, is a good starting point for determining your aerobic threshold. Breathing efficiency during exercise is also a key indicator of whether you're at your true aerobic threshold.

    • How Monitoring Your Heart Rate Can Optimize Your Running PerformanceMonitoring your heart rate during runs can help you maintain a sustainable pace and improve your running form. Gradually increase mileage and work on pacing strategies to optimize training, and use heart rate monitoring for event preparation.

      Key takeaway: When running, monitoring your heart rate at your maximum aerobic function (MAF) pace can help you maintain a sustainable pace without pushing yourself too hard. If you can no longer breathe in your nose and out your mouth, you may be going too fast for your current fitness level. It's important to work on improving your form and gradually increasing your mileage at a comfortable pace to reach longer distances. However, when training for events that require faster paces, it's necessary to practice at the desired pace to fine-tune mechanics and pacing strategies. Monitoring your heart rate can simplify and optimize your training approach.

    • The Importance of Perceived Effort in RunningListen to your body and go by feel to understand your aerobic threshold. Add variations to keep things interesting and challenging. Find what works for you and your body - there's no one-size-fits-all approach to running.

      Zach Bitter and Lex Fridman discuss the importance of perceived effort in running and how it can lead to a more enjoyable and fulfilling experience. While some people may benefit from structured plans, Bitter emphasizes the importance of listening to your body and going by feel. This means understanding your aerobic threshold and recognizing when you're pushing yourself too hard or not hard enough. It also means being open to adding sprints or other variations to keep things interesting and challenging. Ultimately, the key takeaway is that there's no one-size-fits-all approach to running and it's important to find what works for you and your body.

    • Customized Training for Endurance RunningEndurance running training involves building an aerobic foundation, followed by specific workouts for desired distances. Short intervals can be calibrated by using a 12-minute time trial or newer formulas. Consistent training helps improve pace and distance.

      When it comes to training for endurance running, some runners need more support than others. However, the overall structure of the training program usually involves building an aerobic foundation for 8-12 weeks, followed by specific workouts targeted towards the desired distance. For example, a 5k plan will differ from a 100 mile plan, but may still include similar workouts at different intensities. Some runners use a 12 minute time trial to determine the intensity of their short intervals, although newer formulas exist. Ultimately, the goal is to improve running pace and distance over time through consistent training that includes both foundational running volume and targeted workouts.

    • Personalized Training Plans for Optimal PerformanceTo improve your running, create a personalized training plan that starts with weaker exercises and gradually progresses to stronger ones based on your event timeline. Consider using a maximum reward function strategy to avoid burning out.

      Zach Bitter suggests personalized training plans based on an individual's history with running, schedule, and other variables. He recommends starting with weaker and less specific exercises early and then phasing closer to stronger and more specific exercises as the event approaches. The time spent on the event will dictate the order of these exercises. A maximum reward function training strategy could work well for someone who wants consistency and does not want to stress themselves out too much in one day. The strategy involves picking the right starting point and building up gradually without trying to do too much.

    • Zach Bitter on Optimizing Your Running RoutineFind your maximum aerobic function, use heart rate monitors to measure perceived effort, combine body weight exercises with running, and set a goal to run a marathon before attempting a 100-mile run.

      In this segment, ultra-marathon runner Zach Bitter shares his perspective on how to optimize your running routine. He advises that it's important to find your maximum aerobic function and not push past it, even if you have a hard, fast rule to run an hour every day. You can experiment with running underneath your maximum aerobic function for the first 15 minutes and the last 15 minutes and then push yourself in the middle 30 minutes. Heart rate monitors can be useful to measure perceived effort, but they can get messy during longer runs. Bitter also recommends combining body weight exercises with running for a well-rounded fitness routine. Finally, Bitter suggests setting a goal to run a marathon before attempting a 100-mile run.

    • The Importance of Building Overall Fitness and Mental Resilience for Endurance EventsTo succeed in an endurance event, focus on building overall fitness, including strength and mental toughness, and prepare to face unexpected obstacles. Avoid injury and don't give up when faced with discomfort.

      The key takeaway from this section is that in order to prepare for a challenging endurance event, such as a marathon or a 100-mile race, it is important to build up overall fitness and mental resilience, as well as to be prepared for unexpected obstacles. While certain physical adaptations may be necessary for specific distances, it is more important to have a well-rounded approach to training, including running, strength exercises, and mental toughness. It is also important to avoid injury and allow time for proper healing. Ultimately, success in endurance events requires a combination of physical and mental preparedness, as well as the ability to push through discomfort and avoid giving up.

    • Mix It Up when Trying to Push YourselfWhen doing something unpleasant every day, vary your approach to keep it fresh and avoid negative associations. This applies to exercise routines and challenges like cold showers. Also, diet for endurance sports is unique to each person, event, and training needs.

      Ultra-marathon runner Zach Bitter suggests that to avoid a negative feedback loop, when trying to push yourself to do something unpleasant every day, it's important to mix it up. For example, if you're training for a marathon, try not to make every run miserable or you'll train yourself to associate running with misery. Mix up your workouts, varying the length and intensity of intervals, to avoid boredom and find enjoyment in some of it. Similarly, if you're challenging yourself to do extra pushups or take cold showers, mix it up to avoid complete disgust from the experience. When it comes to diet in endurance sports, there is no one answer, as it depends on the individual, the event, and the training required.

    • Personalized Nutrition for Optimal Athletic PerformanceTailored nutrition plans are essential for athletes to achieve optimal performance. Factors such as genetics, training, and personal preferences play a vital role in determining the right diet while coaching and resources can provide support for success.

      Nutrition is a critical component of achieving optimal athletic performance, but the idea of a one-size-fits-all approach to dieting is not realistic. Individual athletes have varying nutritional requirements, and factors such as genetics, training, and personal preferences play a vital role in determining the right diet. Dr. Jeff Volek, who works with both health and performance clients, emphasizes that success in nutrition and training requires a supportive environment, such as coaching and resources that help athletes make informed decisions. Elite athletes may require higher levels of carbohydrates, but for many athletes, a low-carb, mostly meat-based diet can be sustainable and effective in achieving athletic goals.

    • Zach Bitter on Nutrition and High PerformanceA meat-based diet may improve athletic performance depending on individual needs, but nutrition and training together contribute to overall success. Experimentation and individualization are crucial for finding the best diet.

      In a conversation about nutrition and high performance, athlete Zach Bitter shares his personal experience with a meat-based diet and its positive impact on his racing performance. He notes that it may not necessarily be the meat itself, but rather what it replaces in one's diet that can lead to improved performance. He also emphasizes that nutrition is individual and what works for one person may not work for another. Bitter acknowledges the complexity of the body and the challenges of conducting good scientific studies on oneself. Overall, a combination of factors, including nutrition and training, contribute to athletic success.

    • Nutrition Tips for Ultra Running: Fueling Your Body for Optimal PerformanceEating a well-balanced diet with healthy sources of carbs, fat, and protein before and during training, along with monitoring your electrolytes and vitamin intake, can help you perform your best in ultra running.

      To perform well in ultra running, it is important to have enough energy and endurance. To achieve this, loading up on carbs about three hours before the training session or race is recommended. However, the optimal approach for nutrition may vary from person to person. Some people may benefit from a carnivore diet, which may help treat mental health conditions like depression. To fuel up for a race, it's recommended to be very good at burning fat, which means consuming a balanced diet with healthy sources of carbohydrates, fat, and protein during training and keeping electrolytes and vitamins in check.

    • The Role of Fat in Endurance Athletes' DietsEndurance athletes use fat as their fuel source to conserve glycogen for higher intensity workouts. A diet high in fat, protein, and some carbohydrates, along with liquid calorie sources, is preferred for prolonged efforts. Finding balance is key.

      Endurance athletes rely heavily on their fat stores rather than their muscle glycogen during low-intensity performance in order to spare the glycogen for more intense efforts later on. To accomplish this, a low-carb, high-fat and protein diet is generally followed, with small portions of carbohydrates introduced during long, low-intensity workouts. Liquid calories with high energy, low volume, and high fat and protein content are a preferred source of fuel during prolonged efforts. However, finding the right balance between carbohydrate and fat intake can be tricky, as too much carbohydrate can lead to digestion issues in some athletes.

    • Optimal Carbohydrate Consumption for Ultra Marathon RunnersUltra marathon runners should consume 50-100 grams of carbs per day during events, but exceeding this can be difficult. Runners can benefit from training on an empty stomach and not obsessing over diet optimization.

      Ultra marathon runners following a moderate to high carbohydrate diet during events are usually recommended to consume 50 to 70 grams of carbohydrates per day, while some recommendations suggest up to 100 grams for optimal performance. However, consuming a high amount of carbohydrates can be challenging for many runners, especially during training sessions that exceed 10 hours per week. Moreover, training on an empty stomach can be a good option for runners who feel better when fasting. Ultimately, the goal should be to enjoy the natural aspect of running and not get caught up in the minutiae of diet and performance optimization.

    • Striving for Minimalism and Balance in Life: Insights from Zach Bitter and Lex FridmanFinding a balance between minimalist lifestyle and fitting into society is crucial for a fulfilling life. Introducing controlled chaos and adapting to new situations can add to the experience while searching for balance.

      Zach Bitter and Lex Fridman both strive for a minimalist lifestyle, but acknowledge the importance of fitting into society and creating good memories. Despite finding running on a treadmill boring, Bitter attempted a treadmill challenge due to race cancellations during the pandemic, and found it to be different from track running due to the lack of control and micro adjustments. Fridman drinks alcohol to introduce controlled chaos into his life, reminding himself of the fun things that can happen when life isn't entirely optimized. Both Bitter and Fridman emphasize the importance of balance and finding ways to live a fulfilling life.

    • Zach Bitter's Treadmill Running Experience for FundraisingTreadmills offer consistency but machine-paced runs can be frustrating; longer breaks help in resetting mentally. Physical challenges provide many benefits, including mental strength, witnessed by comedian Bert Kreischer's 2000-mile goal.

      Zach Bitter shares his experience running on a treadmill during a live stream challenge for fund-raising purposes. According to Zach, one of the advantages of using a treadmill is that it helps runners set a consistent pace. However, the downside is that it's easy to get frustrated because a machine is dictating your pace. Zach also noted that taking short breaks between machines or getting off the treadmill, did not help him reset mentally. In contrast, longer breaks gave him enough time to reset. During the live stream, Zach also spoke with comedian Bert Kreischer, who has a goal of running 2000 miles this year, about the challenges of running and the benefits of physical challenges.

    • Pushing the Limits: The Human Spirit in Ultra-MarathonsFor some, the thrill of an ultra-marathon lies in the challenge of the unknown and the desire to push their limits, revealing the incredible resilience and determination of the human spirit.

      In ultra-marathons, the challenge of taking on an event you haven't fully trained for reveals the human spirit. While some people see race day as the "cherry on top" of their training, others see it as a pure challenge, with the desire to experience the unknown and the unpredictable. The transcontinental run, where runners live out of an RV while they travel from San Francisco to New York, is an extreme example of this. The current record holder averaged over 72 miles a day for 42 days, facing uncontrollable variables such as weather and physical exhaustion. This challenge highlights the desire to push the limits of human potential and experience the unknown.

    • Zach Bitter's 75-mile-a-day charity run to document his adventureZach Bitter's San Francisco to New York run, covering 75 miles a day, aims to raise awareness for Justin Wren's charity. He prioritizes injury-proofing over performance and nutritional intake.

      Zach Bitter is attempting to run from San Francisco to New York to raise awareness for fight for the forgotten Justin Wren's charity. He plans to average about 75 miles per day and document the experience. The logistical planning and managing the crew are some of the biggest challenges before starting the adventure. He aims to be injury-proof instead of focusing on performance, as he estimates he'll be moving for around 12-14 hours a day, trying to maintain a manageable pace. Nutrition is crucial, with him aiming to consume up to 15,000 calories per day. He hopes to avoid any stomach problems and minimize the risk of injury.

    • Zach Bitter's Extreme Simulations for Injury PreventionBy identifying problematic areas and addressing them through extreme simulations, runners like Zach Bitter can avoid experiencing the gradual decline commonly seen in the early stages of long runs.

      Zach Bitter, a seasoned runner who will be attempting a transcontinental run, is focused on preventing injury by strengthening his ankles and lower body muscles. He plans to do extreme simulations of two to three-day segments, where he will run an average of 70 miles per day to identify problematic areas and address them. His training has become even more polarized, and he takes two days off in a week where he usually completes 150 miles. By doing simulations, he hopes to eliminate the gradual decline most runners experience during the early stages of their runs before hitting rock bottom and gradually improving.

    • Ultra Runner Plans to Run 4,200 Miles for CharityZach Bitter will run over 4,200 miles in 42 days to raise awareness for the Pygmy tribe in Africa. He will use social media to hold himself accountable and motivate others to support the cause.

      Ultra runner Zach Bitter plans to run the Transcontinental Route, covering a distance of over 4,200 miles in just over 42 days, at 72.5 miles per day. Bitter plans to use social media to keep his followers updated on his progress throughout the event, using Instagram and potentially YouTube to show the best and worst parts of his journey. By doing this, he aims to hold himself accountable and motivate himself to continue. The event is being used to raise awareness for charity Fight for the Forgotten, which supports the Pygmy tribe in Africa, a community that historically has not had the time to innovate due to their basic needs taking up their entire day.

    • The Importance of Early Tasks and Endurance InspirationBy fulfilling basic needs like water access, communities can free up time and resources for other essential tasks. Endurance athletes like Haile Gebrselassie and Steve Prefontaine serve as motivational examples of hard work and determination.

      Zach Bitter discusses the importance of taking care of early, essential tasks to improve the lives of whole communities. By providing Wells for women to easily access water, communities can free up half of their population for other tasks like farming and building. Zach reminds himself of this perspective during his intense endurance running, knowing that his struggles pale in comparison to the basic needs of others. He also reflects on the inspiring stories of endurance athletes like Haile Gebrselassie and Steve Prefontaine. Prefontaine's all-guts approach to racing and tenacity in popularizing the 5k distance serve as a motivational force for runners, exemplifying the importance of hard work and determination.

    • Running Tips for Ultra Marathons: Know Your Limits and TerrainKnow your running capabilities and stick to your own pace during ultra marathons. Also, understand the impact of terrain on your shoes and adjust accordingly to avoid injury.

      When it comes to running, there is no one-size-fits-all approach to leading from the front or following the pack. Some runners thrive off of being in the front and pushing their limits, while others may prefer to wait until the right moment to make their move. The key takeaway is to know your capabilities and run within your own parameters, especially in ultra marathons where pushing too hard early on can result in paying for it later. While shoe technology has advanced in recent decades, it has had less of an impact in ultra running due to the heavily skewed terrain of trails.

    • Nike's P Foam and Carbon Plate Technology in Running ShoesNike's P foam and carbon plate technology have revolutionized running shoe performance, but controversy remains due to unfair advantages for sponsored athletes. These advancements have influenced modern running but are also costly.

      Nike's development of a new foam called P foam has revolutionized running shoe technology by returning way more energy than the average foam, resulting in significant performance improvements on road races, flat tracks, and even on terrain like crushed limestone trails. The foam's success led to the incorporation of a carbon plate element, which further improved performance, but also sparked controversy and complications in the running community due to technological disadvantages and unfair advantages for specific sponsored athletes. While other companies have caught up and developed their own versions of the foam and carbon plate, these new shoe technologies remain expensive and impactful in modern running.

    • The Ethics of High-Tech Performance-Enhancing Equipment in SportsThe use of expensive technology in sports raises concerns about fairness and accessibility, and may redefine what sports mean and how we view athletic achievements.

      The use of high-tech performance-enhancing equipment in sports raises ethical questions about fairness and accessibility. While a $250 shoe may just be a luxury item for some, it could mean the difference in performance for high-achieving athletes. The wide range of improvement that technology can provide can also create disparities in the competition, especially when the difference between winning and losing is less than 1%. With the rapid advancements in technology that can modify human performance, we may be witnessing the end of unmodified human achievement in sports. These developments may lead to a redefinition of what sports mean and how we view athletic achievements.

    • The Potential for a Two-Hour Marathon and the Limits of Human EnduranceA two-hour marathon is possible with a fast course and minimal turns, but technology is limited by regulations. Ultra running pushes human endurance and elite runners like Eliud Kipchoge demonstrate incredible efficiency.

      In a podcast with Lex Fridman, Zach Bitter discusses the potential for a two-hour marathon without any assistance. He believes it is possible, but will require a fast course with few turns, as each turn can add about one percent to the distance, equating to an extra quarter mile for a marathon. While technology like Nike's energy returning foam and carbon plates have aided in breaking records, regulations now limit their use, but the potential for new technology remains. Bitter also discusses the potential for ultra running to push the limits of human endurance and notes the incredible efficiency of elite runners like Eliud Kipchoge.

    • Pursuing Passion and Personal GrowthHard work and dedication are necessary for success, but it's equally important to take risks, learn from failures, and pursue one's passions while focusing on personal improvement.

      Maximizing efficiency and achieving success in any field takes a lot of hard work and dedication, as seen in the example of Olympic gymnasts who have put in thousands of hours of training. Despite the risks of failure and setbacks, it is important to take the leap and pursue one's passions. It is important not to put too much pressure on oneself to be the best, but rather focus on personal improvement and learning from failures. For young people trying to figure out their career paths, it is essential to explore and pursue their interests while being willing to take risks and make difficult decisions.

    • Pursuing Non-Traditional PassionsFollow your passion, even if it's unconventional. The internet has expanded opportunities for success, and focusing on what you love can lead to fulfilling and powerful experiences. Don't be afraid to explore and find your own path.

      The key takeaway from this section is to pursue what you are good at and passionate about, even if it is non-traditional or has a low success rate. With the internet, your reachability has expanded and even a small interest can turn into something big. Focus your time and energy on what you love, even if it's not what society wants you to do or the way others are doing it. Everyone has their own path to success and finding your own way of doing things is powerful. Keep an open mind and don't be afraid to explore different paths to find what works best for you.

    • Zach Bitter's Attempt to Break the Record for Fastest Run Across AmericaZach Bitter's journey to run across America at an average of 75 miles per day in under 42 days is inspiring and positive. His goal is to push himself and inspire others, rather than beating the record. Best of luck to him!

      Zach Bitter, an inspiration to many, is attempting to break the record for the fastest time to run across America starting on September 1st. His goal is to average 75 miles per day and complete the journey in under 42 days. While the priority is not to beat the record, rather to push himself and inspire others, millions including Joe Rogan are excited to see him succeed. Lex Fridman jokingly suggests that it would be good for ratings if Zach were to die during the run, but in reality, his journey is inspiring and positive for the world. Best of luck to Zach on his incredible feat!

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    Arvind Srinivas is CEO of Perplexity, a company that aims to revolutionize how we humans find answers to questions on the Internet. Please support this podcast by checking out our sponsors: - Cloaked: https://cloaked.com/lex and use code LexPod to get 25% off - ShipStation: https://shipstation.com/lex and use code LEX to get 60-day free trial - NetSuite: http://netsuite.com/lex to get free product tour - LMNT: https://drinkLMNT.com/lex to get free sample pack - Shopify: https://shopify.com/lex to get $1 per month trial - BetterHelp: https://betterhelp.com/lex to get 10% off Transcript: https://lexfridman.com/aravind-srinivas-transcript EPISODE LINKS: Aravind's X: https://x.com/AravSrinivas Perplexity: https://perplexity.ai/ Perplexity's X: https://x.com/perplexity_ai 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (10:52) - How Perplexity works (18:48) - How Google works (41:16) - Larry Page and Sergey Brin (55:50) - Jeff Bezos (59:18) - Elon Musk (1:01:36) - Jensen Huang (1:04:53) - Mark Zuckerberg (1:06:21) - Yann LeCun (1:13:07) - Breakthroughs in AI (1:29:05) - Curiosity (1:35:22) - $1 trillion dollar question (1:50:13) - Perplexity origin story (2:05:25) - RAG (2:27:43) - 1 million H100 GPUs (2:30:15) - Advice for startups (2:42:52) - Future of search (3:00:29) - Future of AI
    Lex Fridman Podcast
    enJune 19, 2024

    #433 – Sara Walker: Physics of Life, Time, Complexity, and Aliens

    #433 – Sara Walker: Physics of Life, Time, Complexity, and Aliens
    Sara Walker is an astrobiologist and theoretical physicist. She is the author of a new book titled "Life as No One Knows It: The Physics of Life's Emergence". Please support this podcast by checking out our sponsors: - Notion: https://notion.com/lex - Motific: https://motific.ai - Shopify: https://shopify.com/lex to get $1 per month trial - BetterHelp: https://betterhelp.com/lex to get 10% off - AG1: https://drinkag1.com/lex to get 1 month supply of fish oil Transcript: https://lexfridman.com/sara-walker-3-transcript EPISODE LINKS: Sara's Book - Life as No One Knows It: https://amzn.to/3wVmOe1 Sara's X: https://x.com/Sara_Imari Sara's Instagram: https://instagram.com/alien_matter 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (10:40) - Definition of life (31:18) - Time and space (42:00) - Technosphere (46:25) - Theory of everything (55:06) - Origin of life (1:16:44) - Assembly theory (1:32:58) - Aliens (1:44:48) - Great Perceptual Filter (1:48:45) - Fashion (1:52:47) - Beauty (1:59:08) - Language (2:05:50) - Computation (2:15:37) - Consciousness (2:24:28) - Artificial life (2:48:21) - Free will (2:55:05) - Why anything exists
    Lex Fridman Podcast
    enJune 13, 2024

    #432 – Kevin Spacey: Power, Controversy, Betrayal, Truth & Love in Film and Life

    #432 – Kevin Spacey: Power, Controversy, Betrayal, Truth & Love in Film and Life
    Kevin Spacey is a two-time Oscar-winning actor, who starred in Se7en, the Usual Suspects, American Beauty, and House of Cards, creating haunting performances of characters who often embody the dark side of human nature. Please support this podcast by checking out our sponsors: - ExpressVPN: https://expressvpn.com/lexpod to get 3 months free - Eight Sleep: https://eightsleep.com/lex to get $350 off - BetterHelp: https://betterhelp.com/lex to get 10% off - Shopify: https://shopify.com/lex to get $1 per month trial - AG1: https://drinkag1.com/lex to get 1 month supply of fish oil EPISODE LINKS: Kevin's X: https://x.com/KevinSpacey Kevin's Instagram: https://www.instagram.com/kevinspacey Kevin's YouTube: https://youtube.com/kevinspacey Kevin's Website: https://kevinspacey.com/ 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (10:14) - Seven (13:54) - David Fincher (21:46) - Brad Pitt and Morgan Freeman (27:15) - Acting (35:40) - Improve (44:24) - Al Pacino (48:07) - Jack Lemmon (57:25) - American Beauty (1:17:34) - Mortality (1:20:22) - Allegations (1:38:19) - House of Cards (1:56:55) - Jack Nicholson (1:59:57) - Mike Nichols (2:05:30) - Christopher Walken (2:12:38) - Father (2:21:30) - Future
    Lex Fridman Podcast
    enJune 05, 2024

    #431 – Roman Yampolskiy: Dangers of Superintelligent AI

    #431 – Roman Yampolskiy: Dangers of Superintelligent AI
    Roman Yampolskiy is an AI safety researcher and author of a new book titled AI: Unexplainable, Unpredictable, Uncontrollable. Please support this podcast by checking out our sponsors: - Yahoo Finance: https://yahoofinance.com - MasterClass: https://masterclass.com/lexpod to get 15% off - NetSuite: http://netsuite.com/lex to get free product tour - LMNT: https://drinkLMNT.com/lex to get free sample pack - Eight Sleep: https://eightsleep.com/lex to get $350 off EPISODE LINKS: Roman's X: https://twitter.com/romanyam Roman's Website: http://cecs.louisville.edu/ry Roman's AI book: https://amzn.to/4aFZuPb 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (09:12) - Existential risk of AGI (15:25) - Ikigai risk (23:37) - Suffering risk (27:12) - Timeline to AGI (31:44) - AGI turing test (37:06) - Yann LeCun and open source AI (49:58) - AI control (52:26) - Social engineering (54:59) - Fearmongering (1:04:49) - AI deception (1:11:23) - Verification (1:18:22) - Self-improving AI (1:30:34) - Pausing AI development (1:36:51) - AI Safety (1:46:35) - Current AI (1:51:58) - Simulation (1:59:16) - Aliens (2:00:50) - Human mind (2:07:10) - Neuralink (2:16:15) - Hope for the future (2:20:11) - Meaning of life
    Lex Fridman Podcast
    enJune 02, 2024

    #430 – Charan Ranganath: Human Memory, Imagination, Deja Vu, and False Memories

    #430 – Charan Ranganath: Human Memory, Imagination, Deja Vu, and False Memories
    Charan Ranganath is a psychologist and neuroscientist at UC Davis, specializing in human memory. He is the author of a new book titled Why We Remember. Please support this podcast by checking out our sponsors: - Riverside: https://creators.riverside.fm/LEX and use code LEX to get 30% off - ZipRecruiter: https://ziprecruiter.com/lex - Notion: https://notion.com/lex - MasterClass: https://masterclass.com/lexpod to get 15% off - Shopify: https://shopify.com/lex to get $1 per month trial - LMNT: https://drinkLMNT.com/lex to get free sample pack Transcript: https://lexfridman.com/charan-ranganath-transcript EPISODE LINKS: Charan's X: https://x.com/CharanRanganath Charan's Instagram: https://instagram.com/thememorydoc Charan's Website: https://charanranganath.com Why We Remember (book): https://amzn.to/3WzUF6x Charan's Google Scholar: https://scholar.google.com/citations?user=ptWkt1wAAAAJ Dynamic Memory Lab: https://dml.ucdavis.edu/ 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (10:18) - Experiencing self vs remembering self (23:59) - Creating memories (33:31) - Why we forget (41:08) - Training memory (51:37) - Memory hacks (1:03:26) - Imagination vs memory (1:12:44) - Memory competitions (1:22:33) - Science of memory (1:37:48) - Discoveries (1:48:52) - Deja vu (1:54:09) - False memories (2:14:14) - False confessions (2:18:00) - Heartbreak (2:25:34) - Nature of time (2:33:15) - Brain–computer interface (BCI) (2:47:19) - AI and memory (2:57:33) - ADHD (3:04:30) - Music (3:14:15) - Human mind
    Lex Fridman Podcast
    enMay 25, 2024

    #429 – Paul Rosolie: Jungle, Apex Predators, Aliens, Uncontacted Tribes, and God

    #429 – Paul Rosolie: Jungle, Apex Predators, Aliens, Uncontacted Tribes, and God
    Paul Rosolie is a naturalist, explorer, author, and founder of Junglekeepers, dedicating his life to protecting the Amazon rainforest. Support his efforts at https://junglekeepers.org Please support this podcast by checking out our sponsors: - ShipStation: https://shipstation.com/lex and use code LEX to get 60-day free trial - Yahoo Finance: https://yahoofinance.com - BetterHelp: https://betterhelp.com/lex to get 10% off - NetSuite: http://netsuite.com/lex to get free product tour - Eight Sleep: https://eightsleep.com/lex to get $350 off - Shopify: https://shopify.com/lex to get $1 per month trial Transcript: https://lexfridman.com/paul-rosolie-2-transcript EPISODE LINKS: Paul's Instagram: https://instagram.com/paulrosolie Junglekeepers: https://junglekeepers.org Paul's Website: https://paulrosolie.com Mother of God (book): https://amzn.to/3ww2ob1 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (12:29) - Amazon jungle (14:47) - Bushmaster snakes (26:13) - Black caiman (44:33) - Rhinos (47:47) - Anacondas (1:18:04) - Mammals (1:30:10) - Piranhas (1:41:00) - Aliens (1:58:45) - Elephants (2:10:02) - Origin of life (2:23:21) - Explorers (2:36:38) - Ayahuasca (2:45:03) - Deep jungle expedition (2:59:09) - Jane Goodall (3:01:41) - Theodore Roosevelt (3:12:36) - Alone show (3:22:23) - Protecting the rainforest (3:38:36) - Snake makes appearance (3:46:47) - Uncontacted tribes (4:00:11) - Mortality (4:01:39) - Steve Irwin (4:09:18) - God
    Lex Fridman Podcast
    enMay 15, 2024

    #428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens

    #428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens
    Sean Carroll is a theoretical physicist, author, and host of Mindscape podcast. Please support this podcast by checking out our sponsors: - HiddenLayer: https://hiddenlayer.com/lex - Cloaked: https://cloaked.com/lex and use code LexPod to get 25% off - Notion: https://notion.com/lex - Shopify: https://shopify.com/lex to get $1 per month trial - NetSuite: http://netsuite.com/lex to get free product tour Transcript: https://lexfridman.com/sean-carroll-3-transcript EPISODE LINKS: Sean's Website: https://preposterousuniverse.com Mindscape Podcast: https://www.preposterousuniverse.com/podcast/ Sean's YouTube: https://youtube.com/@seancarroll Sean's Patreon: https://www.patreon.com/seanmcarroll Sean's Twitter: https://twitter.com/seanmcarroll Sean's Instagram: https://instagram.com/seanmcarroll Sean's Papers: https://scholar.google.com/citations?user=Lfifrv8AAAAJ Sean's Books: https://amzn.to/3W7yT9N 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (11:03) - General relativity (23:22) - Black holes (28:11) - Hawking radiation (32:19) - Aliens (41:15) - Holographic principle (1:05:38) - Dark energy (1:11:38) - Dark matter (1:20:34) - Quantum mechanics (1:41:56) - Simulation (1:44:18) - AGI (1:58:42) - Complexity (2:11:25) - Consciousness (2:20:32) - Naturalism (2:24:49) - Limits of science (2:29:34) - Mindscape podcast (2:39:29) - Einstein

    #427 – Neil Adams: Judo, Olympics, Winning, Losing, and the Champion Mindset

    #427 – Neil Adams: Judo, Olympics, Winning, Losing, and the Champion Mindset
    Neil Adams is a judo world champion, 2-time Olympic silver medalist, 5-time European champion, and often referred to as the Voice of Judo. Please support this podcast by checking out our sponsors: - ZipRecruiter: https://ziprecruiter.com/lex - Eight Sleep: https://eightsleep.com/lex to get special savings - MasterClass: https://masterclass.com/lexpod to get 15% off - LMNT: https://drinkLMNT.com/lex to get free sample pack - NetSuite: http://netsuite.com/lex to get free product tour Transcript: https://lexfridman.com/neil-adams-transcript EPISODE LINKS: Neil's Instagram: https://instagram.com/naefighting Neil's YouTube: https://youtube.com/NAEffectiveFighting Neil's TikTok: https://tiktok.com/@neiladamsmbe Neil's Facebook: https://facebook.com/NeilAdamsJudo Neil's X: https://x.com/NeilAdamsJudo Neil's Website: https://naeffectivefighting.com Neil's Podcast: https://naeffectivefighting.com/podcasts/the-dojo-collective-podcast A Life in Judo (book): https://amzn.to/4d3DtfB A Game of Throws (audiobook): https://amzn.to/4aA2WeJ 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (09:13) - 1980 Olympics (26:35) - Judo explained (34:40) - Winning (52:54) - 1984 Olympics (1:01:55) - Lessons from losing (1:17:37) - Teddy Riner (1:37:12) - Training in Japan (1:52:51) - Jiu jitsu (2:03:59) - Training (2:27:18) - Advice for beginners

    #426 – Edward Gibson: Human Language, Psycholinguistics, Syntax, Grammar & LLMs

    #426 – Edward Gibson: Human Language, Psycholinguistics, Syntax, Grammar & LLMs
    Edward Gibson is a psycholinguistics professor at MIT and heads the MIT Language Lab. Please support this podcast by checking out our sponsors: - Yahoo Finance: https://yahoofinance.com - Listening: https://listening.com/lex and use code LEX to get one month free - Policygenius: https://policygenius.com/lex - Shopify: https://shopify.com/lex to get $1 per month trial - Eight Sleep: https://eightsleep.com/lex to get special savings Transcript: https://lexfridman.com/edward-gibson-transcript EPISODE LINKS: Edward's X: https://x.com/LanguageMIT TedLab: https://tedlab.mit.edu/ Edward's Google Scholar: https://scholar.google.com/citations?user=4FsWE64AAAAJ TedLab's YouTube: https://youtube.com/@Tedlab-MIT 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/ YouTube Full Episodes: https://youtube.com/lexfridman YouTube Clips: https://youtube.com/lexclips SUPPORT & CONNECT: - Check out the sponsors above, it's the best way to support this podcast - Support on Patreon: https://www.patreon.com/lexfridman - Twitter: https://twitter.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Medium: https://medium.com/@lexfridman OUTLINE: Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. (00:00) - Introduction (10:53) - Human language (14:59) - Generalizations in language (20:46) - Dependency grammar (30:45) - Morphology (39:20) - Evolution of languages (42:40) - Noam Chomsky (1:26:46) - Thinking and language (1:40:16) - LLMs (1:53:14) - Center embedding (2:19:42) - Learning a new language (2:23:34) - Nature vs nurture (2:30:10) - Culture and language (2:44:38) - Universal language (2:49:01) - Language translation (2:52:16) - Animal communication

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