5 Bullet Archive

Everything Tim Ferriss has recommended in 5-Bullet Friday — 2,154 books, articles, quotes, films, products and more, gathered from 480 issues since 2015. Browse by category, sort by what the community values or how often Tim has returned to it, and spend your 25 votes on what matters most to you. Each item's note is quoted from Tim's own words in the newsletter.

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All Kings, a Retreat for Men, Tackles Masculine Rage, Sadness and Trauma

ArticlesTim featured this 1× · 2025 · Joseph Bernstein · nytimes.com

“All Kings, a Retreat for Men, Tackles Masculine Rage, Sadness and Trauma” by Joseph Bernstein (The New York Times; alternate link). This is a great complement to The Work documentary I featured in this newsletter long ago, which will tear your heart apart and put it back together. I am going to donate $10,000 to All Kings, a nonprofit organization, as I believe in the mission. Every $1,000 sponsors a new member.— Tim Ferriss
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AI is killing the web. Can anything save it?

ArticlesTim featured this 1× · 2025 · economist.com

“AI is killing the web. Can anything save it?” (The Economist). Alternate link if blocked. This is an important facet of the AI conversation that should get more airtime. What happens when the commercial lifeblood of much of the web—advertising and subscriptions—gets replaced by LLMs? What happens if Google, Wikipedia, and many more get wholly or partially displaced? For a quick teaser with some eye-popping numbers, watch this short clip from Matthew Prince, CEO of Cloudflare. As always, I think there are opportunities hiding in the disruption.— Tim Ferriss
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KAATSU

Products & GadgetsTim featured this 1× · 2025 · kaatsu.com

KAATSU. I’ve long been interested in blood-flow restriction (BFR) training, mostly for more gains with fewer injuries. This is particularly true after something like surgery. Since my Humpty Dumpty elbow was surgically repaired six weeks ago, BFR is once again top of mind, and I decided to test the C4 unit from Kaatsu, based on a few docs and coaches recommendations. There are also newer, cordless/tube-free versions. The jury is still out, but the results are promising. Here’s a decent overview of the science behind BFR and its many applications.— Tim Ferriss
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Personality: The Lloyd Price Musical in Concert

MiscTim featured this 1× · 2025 · southbankcentre.co.uk

Personality: The Lloyd Price Musical in Concert. If you don’t know Lloyd Price, his story will blow your mind. Personality: The Lloyd Price Musical is playing in London on Saturday, October 11th. Click here to learn more and buy tickets. Lloyd’s story is that of beating unbelievable odds. In the span of one year, Lloyd went from digging septic tanks in Louisiana to becoming the first teenager ever to sell more than a million records. Lloyd’s innovations went beyond performing music. He also promoted the legendary “Thrilla in Manila” and “Rumble in the Jungle” with Muhammad Ali. Price had the f— Tim Ferriss
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▶If You’re Struggling With Pull-Ups, THIS Is Why

Misc VideosTim featured this 1× · 2025 · youtube.com

“If You’re Struggling With Pull-Ups, THIS Is Why.” I’m just getting back on the exercise horse after elbow surgery five weeks ago, and I thought it’d be a good time to revisit pull-up form. This video is very helpful, though I’d suggest starting with progressions of the inverted row.— Tim Ferriss
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Pmarca Guide to Career Planning Part 2: Skills and education

ArticlesTim featured this 1× · 2025 · pmarchive.com

“Pmarca Guide to Career Planning Part 2: Skills and education.” Long ago, Marc Andreessen, famed technologist and billionaire investor, had a blog with amazing advice. Then he took the whole thing down. The link in this bullet is a pirated copy of one of his essays from 2007, and there is a lot that overlaps with Sriram’s advice. I’ve basically built my career on some version of this, and it can apply to anyone—a new college student, someone mid-career seeking reinvention, and much more: “Seek to be a double/triple/quadruple threat. Scott Adams—the creator of Dilbert—nails it: If you want an a— Tim Ferriss
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▶Sriram Krishnan - The Man Leading America’s AI Race Against China

PodcastsTim featured this 1× · 2025 · youtu.be

“Sriram Krishnan - The Man Leading America’s AI Race Against China” on The Shawn Ryan Show (Apple Podcasts, Spotify, YouTube). The portion that I want to highlight has nothing to do with AI. It has to do with how Sriram proved himself very early in his career when no one knew him. Click here to be taken to a great story of Sriram moving to Seattle and impressing one of the all-time best coders at Microsoft. What he did mirrors a lot of what I did after college (in totally different domains) following mentors’ advice, and the strategy still works like gangbusters. The clip is only 4–12 minutes — Tim Ferriss
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They’re Made Out of Meat

ArticlesTim featured this 1× · 2025 · Terry Bisson · web.archive.org

They’re Made Out of Meat by Terry Bisson. Terry originally made his mark in the science-fiction community with his short story Bears Discover Fire, which won the Hugo, Nebula, and Locus awards. They’re Made Out of Meat, a short story you can read in minutes, has quite a fan base on the Internet and has been adapted for audio, video, and film. You can hear it performed on This American Life here.— Tim Ferriss
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QuotesTim featured this 1× · 2025

“I never sat on the bench and said, ‘Well, I learned a lot today.’” — Deion “Coach Prime” Sanders, American football coach and former pro football and baseball player
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QuotesTim featured this 1× · 2025

“Most letters from a parent contain a parent’s own lost dreams disguised as good advice. My good advice to you is to pay somebody to teach you to speak some foreign language, to meet with you two or three times a week and talk. Also: get somebody to teach you to play a musical instrument. What makes this advice especially hollow and pious is that I am not dead yet. If it were any good, I could easily take it myself.” — Kurt Vonnegut Letter to his daughter, Nanette, 20th September 1972 via Letters of Note
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If you haven’t bought a copy of COYOTE, why haven’t you

Products & GadgetsTim featured this 1× · 2025 · forms.gle

If you haven’t bought a copy of COYOTE, why haven’t you? Answers can be totally anonymous! Knowing this would really help me a ton, as the reviews are fantastic, and the buzz is phenomenal (300M+ social views of game play), but compared to my books, only a small fraction of you have bought the game. I would love to know why, as that could help shape everything we do for the critical holiday season, which is the make-it-or-break-it period for games and toys. Could you please take literally one minute to let me know on this Google Form? I’ll choose 10 respondents at random and gladly mail out 10— Tim Ferriss
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Some people struggle after psychedelics. A new study wants to help.

ArticlesTim featured this 1× · 2025 · Emory University · maps.org

"Some people struggle after psychedelics. A new study wants to help." If you have experienced difficulties after taking a psychedelic, you may be eligible to participate in a study sponsored by Emory University. Click here to learn more. Adverse events and challenges are underreported, and it’s incredibly important to study them. They’re not as rare as you might think, and given the power of the tools, we need to find better and better ways to mitigate risk and treat people when they are destabilized. This isn’t for “bad trips,” per se; it’s about the after-effects. As explained on the website— Tim Ferriss
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Our Thing

PodcastsTim featured this 1× · 2025 · podcasts.apple.com

Our Thing with Sammy “The Bull” Gravano (Apple Podcasts, Spotify, YouTube). This was recommended to me by Oz “The Mentalist” Perlman, who’s also kinda scary in his own way. Check out this NFL clip as an example or Joe Rogan calling him a “witch” after a live demo. I was resistant to listening to Our Thing at first, as I don’t like glamorizing criminals, but I decided to give it a shot, since episodes are short and I grew up watching John Gotti in the news. Like a lot of people, I also have a fascination with the mafia from The Godfather, The Sopranos, Goodfellas, and others. From the descripti— Tim Ferriss
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Deep Future: Creating Technology That Matters

BooksTim featured this 1× · 2025 · Pablos Holman · amazon.com

Deep Future: Creating Technology That Matters by Pablos Holman. This book really encouraged me to think a lot bigger. I recently described Pablos as “one of the scariest hackers I’ve ever met,” and I’ve enjoyed getting to know him and his work, both permitted and unpermitted. Pablos worked on spaceships at Blue Origin and helped build labs to invent a wide variety of breakthroughs, including a brain surgery tool, a machine to suppress hurricanes, 3D food printers, and a laser that can shoot down mosquitos, part of an impact invention effort to eradicate malaria with Bill Gates. In his spare ti— Tim Ferriss
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QuotesTim featured this 1× · 2025

“The typical expression of opening Friendship would be something like, ‘What? You too? I thought I was the only one.’” — C.S. Lewis
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Guidelines for Ketamine Use

ArticlesTim featured this 1× · 2025 · ketamineresearchfoundation.org

Guidelines for Ketamine Use. While ketamine holds incredible potential for treating certain conditions (e.g., acute suicidality, depression, chronic pain), I’ve also seen lives unravel because of its addictive properties, and it’s become a Faustian alcohol replacement for many. This PDF is one of the best overviews of ketamine-assisted therapies I’ve found, primarily because it also addresses mitigating the risks of addiction and long-term health consequences from excessive, chronic use. There is a baby in the bath water, but you need to know how to separate them. I found this to be a valuable— Tim Ferriss
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Colors

PodcastsTim featured this 1× · 2025 · radiolab.org

“Colors” from Radiolab. This was referred to me by my friend, MN, who knows how much I think about the malleability of perception. Here’s the description: “To what extent is color a physical thing in the physical world, and to what extent is it created in our minds? We start with Sir Isaac Newton, who was so eager to solve this very mystery, he stuck a knife in his eye to pinpoint the answer. Then, we meet a sea creature that sees a rainbow way beyond anything humans can experience, and we track down a woman who we’re pretty sure can see thousands (maybe even millions) more colors than the res— Tim Ferriss
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All the manifestations of the world of measurement—the winning and losing, the gaining of acceptance and the threatened rejection, the raised hopes and the dash into despair—all are based on a single

BooksTim featured this 1× · 2025 · amazon.com

“All the manifestations of the world of measurement—the winning and losing, the gaining of acceptance and the threatened rejection, the raised hopes and the dash into despair—all are based on a single assumption that is hidden from our awareness. The assumption is that life is about staying alive and making it through—surviving in a world of scarcity and peril.” — The Art of Possibility by Rosamund Stone Zander and Benjamin Zander You can complement this edition of 5-Bullet Friday with my conversation with Steve Jang on all things South Korea, recorded in Seoul. And, as always, please give me — Tim Ferriss
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▶Eco

MusicTim featured this 1× · 2025 · Axel Thesleff · youtu.be

“Eco” (YouTube, Spotify) by Axel Thesleff (@axelthesleff). For those who like instrumentals and behind-the-scenes video, here’s a cool clip of the beginning of this track.— Tim Ferriss
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▶Korean Lyrics Explained: “Golden” by Huntrix

Misc VideosTim featured this 1× · 2025 · Huntrix · youtube.com

Korean Lyrics Explained: “Golden” by Huntrix. Now you’re off to the races! If we all give it a shot, we could probably double the number of Korean speakers in the world with all the 4–10-year-olds obsessed with KPop Demon Hunters in the US alone.— Tim Ferriss
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Impact of Long-Term Fasting on Skeletal Muscle: Structure, Energy Metabolism and Function Using 31P/1H MRS and MRI

ArticlesTim featured this 1× · 2025 · onlinelibrary.wiley.com

“Impact of Long-Term Fasting on Skeletal Muscle: Structure, Energy Metabolism and Function Using 31P/1H MRS and MRI.” From the conclusions section: “Long-term fasting [250 kcal/day] did not alter muscle metabolism or performance, nor induced structural or inflammatory changes. The decrease in muscle volume is minor when accounting for glycogen and water depletion during fasting. Fat is relocated to the intracellular compartment of myocytes. Both anaerobic and aerobic metabolic pathways remain unchanged after 12 days of fasting in both sexes and older subjects. This suggests that human muscles,— Tim Ferriss
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Elgato Wave:3

Products & GadgetsTim featured this 1× · 2025 · amazon.com

Elgato Wave:3. Based on reviews, I picked up this microphone for a last-minute virtual recording on the road. It’s easy to pack and looks great on camera. Most impressive to me, it seems to cancel bounce and echo far better than my pro studio gear. Go figure. So their tech black magic can work wonders, but there’s one bug to look out for: when you first plug in the mic, it will often auto-select to speaker or headset mode, and you need to press the big button on the front to ensure you’re actually recording on microphone.— Tim Ferriss
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All the highlights below are from Four Thousand Weeks: Time Management for Mortals

BooksTim featured this 1× · 2025 · Oliver Burkeman · amazon.com

All the highlights below are from Four Thousand Weeks: Time Management for Mortals by Oliver Burkeman: “After years of trying and failing to make time for her illustration work, by taming her to-do list and shuffling her schedule, Abel saw that her only viable option was to claim time instead—to just start drawing, for an hour or two, every day, and to accept the consequences, even if those included neglecting other activities she sincerely valued.” … “The derision we heap upon the avid stamp collector or train spotter might really be a kind of defense mechanism, to spare us from confronting t— Tim Ferriss
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KPop Demon Hunters

FilmsTim featured this 1× · 2025 · Maggie Kang · netflix.com

KPop Demon Hunters. I’m late to the party, but better late than never. Now, I’m gonzo. I’ve been force-feeding myself all of the related YouTube videos I can find. This animated action-musical is everywhere and has become Netflix’s most popular film of all time. But I didn’t know any of this until last night. I showed up for my annual full-body MRI (e.g., Biograph or Prenuvo) yesterday, and the technician said, “For your viewing, I see you requested KPop Demon Hunters,” to which I replied, “What the hell is that?” Then I realized that I’d been punked by my assistant. Nice one. I decided to rol— Tim Ferriss
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Psychedelic Therapy Crashed and Burned. MAHA Might Bring It Back

ArticlesTim featured this 1× · 2025 · John Semley · wired.com

“Psychedelic Therapy Crashed and Burned. MAHA Might Bring It Back” by John Semley (WIRED). As the young whippersnappers might say, there’s a lot of tea in this one.— Tim Ferriss
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▶The Little Giant - Ryuju Nagayama (2025 World Champion)

Misc VideosTim featured this 1× · 2025 · youtube.com

The Little Giant - Ryuju Nagayama (2025 World Champion). I thought I’d seen all the most explosive judo fighters, and I was wrong. Nagayama’s throws show power and dizzying versatility at the highest level. And, most impressive, his movement is crisp and clean, like a perfect bedsheet at the Four Seasons. From the description: “Nagayama is the 2025 world champion and two-time bronze medalist. He is also an Olympic bronze medalist and 2022 Asian champion. For a long time, Nagayama was one of the most exciting judokas in the world. Despite his small height, he is one of the most powerful athlete— Tim Ferriss
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Optimal HRV Reader Version 2.0

Products & GadgetsTim featured this 1× · 2025 · optimalhrv.com

Optimal HRV Reader Version 2.0. I’m once again tracking my heart-rate variability (HRV), as I’m experimenting with vagus nerve stimulation to improve HRV and other metrics. But not all trackers are created equal. The latest Optimal HRV band enhances reading accuracy and significantly reduces artifacts, ensuring you get the most precise data possible. You can watch my video on HRV training here. The Morpheus device was also recommended to me by several high-level competitive athletes and is used by friends like Dr. Peter Attia and performance coach Andy Galpin. It seems clearly superior for tra— Tim Ferriss
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The Mongol was ideally suited to travel long distances; each man carried precisely what he needed, but nothing more.

BooksTim featured this 1× · 2025 · Jack Weatherford · amazon.com

“The Mongol was ideally suited to travel long distances; each man carried precisely what he needed, but nothing more. In addition to his deel, the traditional wool robe that reached to his ankles, he wore pants, a fur hat with earflaps, and riding boots with thick soles. In addition to clothes designed to protect him in the worst weather, each warrior carried flints for making fires, leather canteens for water and milk, files to sharpen arrowheads, a lasso for rounding up animals or prisoners, sewing needles for mending clothes, a knife and a hatchet for cutting, and a skin bag into which to p— Tim Ferriss
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QuotesTim featured this 1× · 2025

Via negativa: improving by removing. This principle is widely applied in the “Elimination” section of The 4-Hour Workweek, which is effectively 25% of the book. Here’s the basic heuristic, courtesy of Nassim Taleb: “In action, it is a recipe for what to avoid, what not to do—subtraction, not addition.” (Worthwhile short read: “Via Negativa: The Process of Making Good Decisions By Eliminating Bad Ones.”)
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Decreased PTSD symptoms following a lucid dreaming workshop: A randomized controlled study

ArticlesTim featured this 1× · 2025 · sciencedirect.com

“Decreased PTSD symptoms following a lucid dreaming workshop: A randomized controlled study.” Description: “A pilot study showed significant PTSD symptom reduction among participants following an online lucid dreaming workshop. The workshop, spanning 22 hours over six consecutive days, taught participants lucid dreaming induction techniques and how to use lucid dreaming to transform their nightmares and integrate their trauma.” I’ll be digging back into this world soon. For an introduction to lucid dreaming, check out my blog post titled “Lucid Dreaming: A Beginner's Guide.”— Tim Ferriss
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Pan Slings

Products & GadgetsTim featured this 1× · 2025 · panslings.com

Pan Slings. Huge thanks to Kelly Starrett for the introduction to… Biblical Tactical! If a sling was good enough for David versus Goliath, it’s definitely more than enough to sex up your outdoor time. I enjoy this 10x more than I expected, and the sling is small enough to roll up and carry in a pocket.— Tim Ferriss
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QuotesTim featured this 1× · 2025

“Psychedelic experiences are usually not about visiting some transcendent realm of angels and demons (though that does happen); more often than not, they are about experiencing the here and now in a very intense way.” — Dennis McKenna, The Brotherhood of the Screaming Abyss (Click here to share on X) You can complement this edition of 5-Bullet Friday with my brand-new interview with Dr. Jeffrey Goldberg on cutting-edge science for eye health, red light therapy, and the future of eyesight restoration. And, as always, please give me feedback on X. Which bullet above is your favorite? What do you
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Why Mitochondria Are More Like a Motherboard Than the Powerhouse of the Cell

ArticlesTim featured this 1× · 2025 · scientificamerican.com

“Why Mitochondria Are More Like a Motherboard Than the Powerhouse of the Cell” (Scientific American). Alternate link: From the article: All well and good, you may think. What does all this mean for my health or how long I’m going to live? The short answer is that it may have everything to do with human health. Diabetes, neurodegenerative conditions, cancer and even mental health illnesses are all emerging as metabolic disorders involving malfunctioning mitochondria. And these findings are indicating new routes for intervention. ... When cells are injured or stressed, they may leak mtDNA into t— Tim Ferriss
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Everything I Know about Self-Publishing

ArticlesTim featured this 1× · 2025 · Kevin Kelly · kk.org

“Everything I Know about Self-Publishing” by Kevin Kelly. Kevin is the founding editor of WIRED magazine and a listener favorite on the podcast. His latest blog post on self-publishing covers practically everything: going the traditional route, on-demand, digital, distribution, crowd-funding, promotion, subscriptions, and more. Here’s the introduction: In my professional life, I’ve had several bestselling books published by New York publishers, as well as many other titles that sold modestly. I have also self-published a bunch of books, including one bestseller on Amazon and two massive hit Ki— Tim Ferriss
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You’ve been saying a lot about being able to experience suffering and depression and yet still be detached from it.

BooksTim featured this 1× · 2025 · Anthony de Mello · ctt.ec

“You’ve been saying a lot about being able to experience suffering and depression and yet still be detached from it. I’m trying to understand clearly what you’re saying, but it seems such a contradiction to say that you can be happy and depressed, since depression, as I’ve always been taught, is the absence of contentment and happiness. Could you explain this a little more? That’s a good question. Aren’t depression and happiness two contradictory states? I think this is what you’re asking, right? Yes and no. If for you happiness means thrills, fun, pleasure, then, yes, they are contradictory. — Tim Ferriss
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When Breath Becomes Air

BooksTim featured this 1× · 2025 · Paul Kalanithi · amazon.com

When Breath Becomes Air by Paul Kalanithi. This extraordinary book was recommended to me by various friends for years. I had it on my Audible app but never got around to listening, putting it off out of a perceived heaviness. I’m so glad and grateful that one close friend pushed me to finally absorb this beautiful book. When Breath Becomes Air was a #1 New York Times bestseller and a Pulitzer Prize finalist. From the description: “At the age of thirty-six, on the verge of completing a decade’s worth of training as a neurosurgeon, Paul Kalanithi was diagnosed with stage IV lung cancer. … Paul d— Tim Ferriss
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New hope for Alzheimer’s: lithium supplement reverses memory loss in mice

ArticlesTim featured this 1× · 2025 · nature.com

“New hope for Alzheimer’s: lithium supplement reverses memory loss in mice” (Nature) “Research on reversing Alzheimer’s reveals lithium as potential key” (The Washington Post). Alternate link: From the subheadline: “Years of investigation by scientists at Harvard has revealed that lithium is deeply involved in Alzheimer’s disease, a finding that could lead to new treatments.”— Tim Ferriss
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Coyote and Badger Caught Playing on Camera

Misc VideosTim featured this 1× · 2025 · openspacetrust.org

“Coyote and Badger Caught Playing on Camera.” The end of this short clip is particularly excellent.— Tim Ferriss
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QuotesTim featured this 1× · 2025

“Many native traditions held clowns and tricksters as essential to any contact with the sacred. People could not pray until they had laughed, because laughter opens and frees from rigid preconception. Humans had to have tricksters within the most sacred ceremonies for fear that they forget the sacred comes through upset, reversal, surprise. The trickster in most native traditions is essential to creation, to birth.” ― Byrd Gibbens
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The Death of Partying in the U.S.A.—and Why It Matters

ArticlesTim featured this 1× · 2025 · Derek Thompson · derekthompson.org

“The Death of Partying in the U.S.A.—and Why It Matters” by Derek Thompson. Here’s one choice excerpt: Between 2003 and 2024, the amount of time that Americans spent attending or hosting a social event declined by 50 percent. … The death of the party fits into a broader social phenomenon that I called “The Anti-Social Century” in a cover story for The Atlantic. At a time of surging anxiety and mental distress, Americans spend more time alone today than in any period in recorded history. Ahem, so Coyote…— Tim Ferriss
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This is one of the most incredible things I’ve found in a while.

BooksTim featured this 1× · 2025 · amazon.com

This is one of the most incredible things I’ve found in a while. As a kid, I wanted to be a comic-book penciler for more than a decade. Frank Miller’s Sin City: Hard Goodbye Curator’s Collection (Amazon, AbeBooks) shows you the original art pages with pencil lines, rubber cement, smudges, and more. You actually feel like you’re sitting in Frank’s seat as he made it! A little pricey but well worth it for the unique experience.— Tim Ferriss
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▶Jardines

MusicTim featured this 1× · 2025 · Chancha Via Circuito · youtu.be

“Jardines” (YouTube, Apple Music, Spotify) by Chancha Via Circuito, ft. Lido Pimienta.— Tim Ferriss
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COYOTE

PodcastsTim featured this 1× · 2025 · explodingkittens.com

COYOTE! This has been my obsession for two years. COYOTE is a fast, casual card game I created with the amazing Exploding Kittens team. Here’s a video demo. I worked really hard on every aspect of the game (concept, mechanics, cards, characters, art, etc.)! You can finally buy it everywhere, including Amazon, Target, Walmart, and 8,000+ retail locations worldwide. It’s been a huge hit with hundreds of test families, my friends, and at conferences around the world. It now produces guaranteed laughs with kids, adults, tipsy people, serious people, you name it. Freeing your inner trickster is a l— Tim Ferriss
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QuotesTim featured this 1× · 2025

“If a large diamond is cut up into pieces, it immediately loses its value as a whole; or if an army is scattered or divided into small bodies, it loses all its power; and in the same way a great intellect has no more power than an ordinary one as soon as it is interrupted, disturbed, distracted, or diverted.” — Arthur Schopenhauer
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I was recently sent the following excerpt from “Means and Meaning

BooksTim featured this 1× · 2025 · Packy McCormick · notboring.co

I was recently sent the following excerpt from “Means and Meaning” by Packy McCormick. The conversation below between David Foster Wallace and David Lipsky happened in 1996, decades before virtual meetings, algorithmic feeds, and AI. Here is the excerpt: Infinite Jest featured The Entertainment, a videotape so compelling people just watched it until they died. … And in a conversation with Rolling Stone’s David Lipsky, during a five-day road trip at the end of his Infinite Jest book tour that would become a book, which became a movie, David Foster Wallace addressed the challenge head-on: David — Tim Ferriss
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The Gut Microbiota Mediates the Anti-Seizure Effects of the Ketogenic Diet

ArticlesTim featured this 1× · 2025 · Christine A · cell.com

“The Gut Microbiota Mediates the Anti-Seizure Effects of the Ketogenic Diet30520-8# )” by Christine A. Olson, Elaine Y. Hsiao, et al. in Cell. If you only have 60 seconds, see the press release here. This could be a glimpse of something really, really important, even if you don’t care about epilepsy. It’s not a brand-new publication, but it was new to me, and it ties into a few experiments I’m currently running on myself. Here is an excerpt: “Mice treated with antibiotics or reared germ-free are resistant to KetoDiet-mediated seizure protection. Enrichment of, and gnotobiotic co-colonization w— Tim Ferriss
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Maestri House Rechargeable Milk Frother

BooksTim featured this 1× · 2025 · amazon.com

Maestri House Rechargeable Milk Frother. OK, I never expected to have a frother in this newsletter, but this is a great example of “there is always a market for the best.” It also reminds me of sage wisdom from Kevin Kelly, found in his tiny, practical book titled Excellent Advice for Living: Take note if you find yourself wondering “Where is my good knife?” or “Where is my good pen?” That means you have bad ones. Get rid of those. I’ve owned a lot of frothers for coffee and tea. Most of them are cheap, or I got them for free. They break, batteries stop charging, or they simply have two modes:— Tim Ferriss
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To help next week’s global launch of COYOTE

PodcastsTim featured this 1× · 2025 · coyotegame.com

To help next week’s global launch of COYOTE, I did a complete redesign of my oldest and still most important website. No more GeoCities retro! If you squint, I bet some of you will spot the new optimizations. This was quite the task, given 1,000+ blog posts, the podcast, and more. Please take it for a test drive! If you spot any bugs or issues, please let me know on X by tagging @tferriss. I’ll send something fun to the best bug hunter.— Tim Ferriss
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QuotesTim featured this 1× · 2025

“Do not anticipate trouble, or worry about what may never happen. Keep in the sunlight.” — Benjamin Franklin
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QuotesTim featured this 1× · 2025

“Coming or going, Day or night, You must just strive to Face the incomprehensible.” — Daitō (1283–1338)
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Cognito Therapeutics

Products & GadgetsTim featured this 1× · 2025 · cognitotx.com

Cognito Therapeutics. The team at Cognito is developing a novel, non-invasive, wearable medical device aimed at slowing the progression of Alzheimer’s disease by using light and sound stimulation to restore brain-wave activity. They are focusing specifically on gamma waves, which are critical for memory, learning, and healthy brain function. In Alzheimer’s patients, gamma waves are altered, indicating impairment in normal brain function. Related: “Evidence that gamma rhythm stimulation can treat neurological disorders is emerging” from MIT News.— Tim Ferriss
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How I practice at what I do

ArticlesTim featured this 1× · 2025 · Tyler Cowen · marginalrevolution.com

“How I practice at what I do” by Tyler Cowen. Also from Tyler (source): “‘What is it you do … that is comparable to a pianist practicing scales?’ If you don’t know the answer to that one, maybe you are doing something wrong or not doing enough.”— Tim Ferriss
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QuotesTim featured this 1× · 2025

“A problem never exists in isolation; it is surrounded by other problems in space and time. The more of the context of a problem that a scientist can comprehend, the greater are his chances of finding a truly adequate solution.” — Russell L. Ackoff, “The Development of Operations Research as a Science”
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▶How to “Dry Age” a Steak in Two Hours

Life HacksTim featured this 1× · 2025 · youtube.com

How to “Dry Age” a Steak in Two Hours. “Dry-aged steak is famously tender and flavorful, but often too expensive for home cooks to attempt. In this episode of Techniquely, Lan Lam explains how dry-aging works and shows us how to achieve the flavor of dry-aging at home in as little as 2 hours with the use of shio koji, a fermented Japanese paste.” Chef David Chang of Momofuku fame also swears by koji. Shio koji (塩麹) is a traditional Japanese seasoning made by fermenting a mixture of koji (rice inoculated with Aspergillus oryzae), salt, and water. It’s prized for its ability to tenderize meat, e— Tim Ferriss
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The Hyperstitions of Moloch

ArticlesTim featured this 1× · 2025 · latent.space

“The Hyperstitions of Moloch” on Latent.Space. If I were to update The 4-Hour Workweek, I would most certainly include case studies that use the frameworks and approaches in this piece. Disclaimer: I have only read the text and have not yet listened to the accompanying podcast. More on Latent.Space: “A technical newsletter, podcast, and community by and for the rising class of AI Engineers, focusing on the business and technology of this new AI summer.”— Tim Ferriss
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65 Notes to Myself

ArticlesTim featured this 1× · 2025 · Seth Godin · seths.blog

65 Notes to Myself by Seth Godin. Gems upon gems in this one.— Tim Ferriss
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To remember how little you matter, on a cosmic timescale, can feel like putting down a heavy burden that most of us didn’t realize we were carrying in the first place.” — Oliver Burkeman

BooksTim featured this 1× · 2025 · oliverburkeman.com

“To remember how little you matter, on a cosmic timescale, can feel like putting down a heavy burden that most of us didn’t realize we were carrying in the first place.” — Oliver Burkeman, Four Thousand Weeks (Click here to share on X.) Pair this quote with one of my favorite pieces of writing from Oliver, “The Liberation of Cosmic Insignificance Therapy.” You can complement this edition of 5-Bullet Friday with my conversations (part one, part two) with Craig Mod. Craig is a writer, photographer, and walker living in Tokyo and Kamakura, Japan. And, as always, please give me feedback on X. Whic— Tim Ferriss
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QuotesTim featured this 1× · 2025

“Everyone believes very easily whatever they fear or desire.” — Jean de La Fontaine
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Why Japan Counts 72 Microseasons

ArticlesTim featured this 1× · 2025 · Ligaya Mishan · nytimes.com

“Why Japan Counts 72 Microseasons” by Ligaya Mishan for T: The New York Times Style Magazine. (Alternate link.) This is a beautiful exploration of Japanese culture, seasons, ritual, and even time itself. It was part of the much larger NYT Style Magazine culture issue called “J is for Japan.” I read this article as “S is for Seasonality,” and here’s a teaser from the first page: Although the Japanese government officially adopted the Gregorian calendar in 1873, the spirit of the traditional Japanese calendar persists. Modeled after the lunisolar Chinese calendar introduced in the early seventh — Tim Ferriss