165 episodios
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Dean Buonomano is a UCLA neuroscientist and one of the first researchers to ask how the brain encodes time. His work overturned a century-old assumption — that somewhere in your head sits a central clock — by showing that timing falls out of the dynamics of neural circuits themselves. He wrote the bestseller Your Brain Is a Time Machine, then took the argument to physics, co-authoring a paper with Carlo Rovelli on whether the past still exists. He is a presentist in a field that mostly isn't.
Expect to learn:
- The clockless brain: why there is no central timer anywhere in your head
- Timing in a dish: how isolated brain tissue can be taught intervals
- Death and religion: how foresight forced our ancestors to invent the afterlife
- The ten-second test: the one simple thing no language model can do
- Pause the computer: the thought experiment that breaks state-based theories of consciousness
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GS EPISODES MENTIONED
György Buzsáki - Meet the Neuroscientist Who Discovered That Waves Produce Memory, Spacetime and Consciousness: https://youtu.be/95FFRTIiLDY
Joseph LeDoux - Meet The World's Greatest Emotion Neuroscientist You've Never Heard Of: https://youtu.be/u_yCcxQsKn0
Michael Levin - Michael Levin: Bioelectricity, Morphogenesis, Platonic Spaces & Xenobots: https://youtu.be/LTBZRVKUwyM
Michael Levin & Earl Miller - Meet the Scientist Showing Every Cell In Your Body is Conscious!: https://youtu.be/eNi-_2cOVtc
Anil Seth - No. 1 Consciousness Expert: Optical Illusions that Prove Reality is a Lie, Emotions, Books and AI!: https://youtu.be/lOSA06K0l1o
GUEST LINKS
UCLA Neurobiology Profile: https://neurobio.ucla.edu/people/dean-buonomano-phd
Buonomano Lab: http://www.buonomanolab.com/
X: https://x.com/DeanBuono
Bridging the Neuroscience and Physics of Time (with Carlo Rovelli): https://arxiv.org/abs/2110.01976
LISTEN ON
YouTube - https://youtu.be/G2LaKtxUng0
Apple - https://podcasts.apple.com/ie/podcast/the-giants-shoulder/id1752486249
SKOOL
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TIMESTAMPS
0:00:00 Trailer
0:02:01 The Brain Has No Central Clock
0:04:17 How Neural Population Clocks Work
0:05:40 Teaching Brain Tissue To Tell Time
0:06:57 Prediction Is Really About When
0:09:10 Even Bacteria Keep Time
0:10:27 Mental Time Travel Built Civilisation
0:11:39 Realising You'll Die Invented Religion
0:14:57 Squirrels Don't Actually Plan Ahead
0:18:19 Waking Up Before Your Alarm
0:23:29 Why Time Is Central To Consciousness
0:24:01 Block Universe vs Only Now
0:29:24 The Runner Who Lost Time
0:33:18 Why Marathons Destroy Time Perception
0:37:18 The Memories With No Timestamp
0:42:02 Your Brain Runs Many Clocks
0:43:31 AI Cannot Wait Ten Seconds
0:45:38 How Transformers Deleted Time
0:49:29 What If You Paused The Computer?
0:53:05 Could We Ever Build Conscious AI?
0:58:17 Arguing About Time With Carlo Rovelli
1:01:40 A Time Traveller Would Prove Me Wrong
1:07:05 You Can't Measure Time With Time
1:12:25 Which Theory Of Consciousness Is Right?
1:21:55 Why We Invented The Soul
.....Email for sponsorship enquiries: evan@thegiantsshoulder.com #155 - Meet The World’s Greatest Endogenous DMT Psychedelic Scientist You've Never Heard Of
14/09/2026 | 1 h 26 min🧠 JOIN THE GIANT'S SHOULDER FAMILY
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Steven Barker is the chemist who has spent fifty years proving your brain makes its own psychedelic. He built the mass-spectrometry methods sensitive enough to find DMT in living tissue, and showed it sits in the brain at concentrations rivalling serotonin and dopamine. In 1981 the war on drugs cut his funding and the work stopped for fifteen years. He also synthesised his own supply — and took it.
Expect to learn:
- The locked cabinet: what his mentor kept behind two locks, and why Barker raided it
- The missing neurotransmitter: why DMT meets every formal criterion and nobody noticed
- Machine elves: why he calls the term marketing rather than science
- DMT immunity: the lab technician who took a full dose and felt nothing
- Receptors inside the neuron: the 2023 finding that explains the neuroplasticity
SPONSORS
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GS EPISODES MENTIONED
Andrew Gallimore - No.1 DMT Neurobiologist: Alien Worlds, DMT Entity Encounters, Attractor States and Consciousness: https://youtu.be/USgWrxEFWDA
Rick Strassman - Meet The Father Of Modern DMT Research: https://youtu.be/KeAZOj7tYsc
Dennis McKenna - Dennis McKenna: "I've Spent 50 Years Investigating The Entities That Exist Within Ayahuasca": https://youtu.be/gTSBhfZhuD8
David Nichols - Meet The Greatest Living Psychedelic Scientist You've Never Heard Of: https://youtu.be/6umTgXsW1lQ
GUEST LINKS
ResearchGate Profile: https://www.researchgate.net/scientific-contributions/Steven-A-Barker-2164230436
N,N-Dimethyltryptamine, an Endogenous Hallucinogen (2018 review): https://doi.org/10.3389/fnins.2018.00536
A Critical Review of Endogenous DMT in Humans 1955-2010 (with Strassman): https://doi.org/10.1002/dta.422
LC/MS/MS Analysis of Rat Pineal Microdialysate (2013, the paper discussed on tape): https://doi.org/10.1002/bmc.2981
Administration of DMT in Psychedelic Therapeutics (2022 review): https://doi.org/10.1007/s00213-022-06065-0
LISTEN ON
Spotify - https://open.spotify.com/show/5m3Gta5MtIYdk59pb2GJ7M
Apple - https://podcasts.apple.com/ie/podcast/the-giants-shoulder/id1752486249
SKOOL
Want a full breakdown of your own conscious inner experience? Join the Giant's Shoulder community: https://www.skool.com/the-giants-shoulder-6526/about
FOLLOW EVAN
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TIMESTAMPS
0:00:00 Trailer
0:02:15 50 Years Chasing One Molecule
0:06:37 Huxley, Osmond and the Birth of "Psychedelic"
0:08:01 The Schizotoxin Hypothesis That Started It All
0:10:54 Finding DMT in Everyone, Not Just Patients
0:11:56 How the War on Drugs Killed the Research
0:16:39 The 40 Years of Research We Lost
0:18:36 "Have You Ever Taken It Yourself?"
0:19:20 Inside the Locked Psychedelic Cabinet
0:20:22 The Overabundance He Didn't Want to Waste
0:22:51 Why He Won't Describe What He Saw
0:23:38 Set, Setting and the Expectancy Problem
0:27:16 Dennis McKenna Has Never Seen a Machine Elf
0:28:31 "Machine Elf" Was a Marketing Term
0:30:40 The Tryptamine Family Tree Explained
0:34:21 Bufotenine, 5-MeO-DMT and the Blood-Brain Barrier
0:38:36 DMT as a Working Neurotransmitter
0:41:34 "DMT Is the Missing Neurotransmitter"
0:44:56 You Have Two Brains - and the Gut Makes More
0:46:29 Pushing Back on Gallimore's Alien World
0:54:04 96% Say the Entity Was Conscious
0:57:52 Did the Caveman Experience an Alien?
0:59:07 "These Are Not Real Elves"
1:06:40 Are Some People Immune to DMT?
1:10:51 You Can't Build Tolerance to Your Own Neurotransmitter
1:15:46 The Receptors Hiding Inside Your Neurons
1:24:24 What a Psychedelic Overdose Actually Is
.....Email for sponsorship enquiries: evan@thegiantsshoulder.com- 🧠 JOIN THE GIANT'S SHOULDER FAMILYBecome a YouTube Member for exclusive episodes, early access + ad-free viewing 👇https://www.youtube.com/@thegiantsshoulder/joinAlexander Batthyány is the philosopher and psychologist who turned a deathbed anecdote into a science. He ran the first modern study of paradoxical lucidity, co-authored the field's founding definition with Bruce Greyson, and has now collected around 450 cases of severely demented patients unexpectedly getting their memory, speech and personality back. Victorian doctors documented the phenomenon at length and called it "lightening up before death"; twentieth-century medicine stopped writing it down because there was no way to phrase it in a case study. He is now working with a group at the Mayo Clinic to put cameras in patients' rooms so the episodes stop being missed. In one case a woman came back for two hours, discussed her own diagnosis, died — and imaging taken immediately afterwards showed no change whatsoever.SPONSORSGet One Month Free of Consensus (The Best Ai Science Tool) - https://get.consensus.app/we00d2cmjpqeGS EPISODES MENTIONEDRick Strassman - Meet The Father Of Modern DMT Research: https://youtu.be/KeAZOj7tYscAndrew Gallimore - No.1 DMT Neurobiologist: Alien Worlds, DMT Entity Encounters, Attractor States and Consciousness: https://youtu.be/USgWrxEFWDAGUEST LINKSX: https://x.com/Alxdr_BatthyanyGoogle Scholar: https://scholar.google.com/citations?user=VRL8CPYAAAAJPersonal Site: https://sites.google.com/view/alexanderbatthyany/startViktor Frankl Institute Vienna: https://www.viktorfrankl.org/Threshold (2023): https://us.macmillan.com/books/9781250782298/threshold/Psychology Today - Magic Mushrooms and Terminal Lucidity: https://www.psychologytoday.com/us/blog/consciousness-and-meaning-at-lifes-end/202607/magic-mushrooms-and-terminal-lucidityBatthyany & Greyson (2021), Spontaneous Remission of Dementia Before Death: https://med.virginia.edu/perceptual-studies/wp-content/uploads/sites/360/2021/04/terminal-lucidity-PC.pdfSKOOLWant a full breakdown of your own conscious inner experience? Join the Giant's Shoulder community: https://www.skool.com/the-giants-shoulder-6526/aboutFOLLOW EVANhttps://x.com/evan_mcglTIMESTAMPS0:00:00 Trailer0:02:29 What Terminal Lucidity Actually Is0:05:33 Why He'd Rather Call It "Paradoxical Lucidity"0:06:01 "Call Your Grandma - She's Back Again"0:09:11 The Victorians Documented It, Then Medicine Stopped0:10:55 "We Saw It, But We Didn't Write It Down"0:12:58 Frankl's Rule: Treat Them As Fully Present0:17:35 What Brain Age Was She Speaking From?0:18:36 "It Was All As If In A Fog"0:21:11 The Wife Who Filmed It So People Would Believe Her0:25:40 The Art Historian Who Gave Back His Books0:30:27 Is It Comforting For Families, Or Crueller?0:32:02 The Three Shocks Every Family Goes Through0:38:05 450 Cases And Counting0:41:29 Does It Have Anything To Do With Death At All?0:45:12 Steven Pinker: "You're Seeing Figures In Clouds"0:47:10 "Everywhere And Nowhere"0:49:47 They Overdosed Her On Psilocybin. She Woke Up.0:51:37 She Got Her Sense Of Humour Back0:55:18 Dresden: The Brain Hadn't Changed At All0:56:37 "Some Of Our Personhood Is Platform Independent"1:02:40 Near-Death Experiences vs Paradoxical Lucidity1:05:52 Rick Strassman, DMT And Neuroprotection1:11:22 "How Can We Get Them Out?"1:20:20 When Vienna Gave Psychiatric Patients Malaria.....Email for sponsorship enquiries: evan@thegiantsshoulder.com
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Carl Hart is a human drug scientist — the Mamie Phipps Clark Professor of Psychology in Psychiatry at Columbia University and Chair of its Department of Psychology, who runs one of the very few laboratories on earth licensed to give people real doses of crack cocaine, methamphetamine and MDMA. His volunteers live inside a sealed four-room lab for weeks at a time, originally built for NASA to study astronauts, with no contact with the outside world while he measures their sleep, their food intake and how much they speak. He started that work believing drugs were what had gone wrong in neighbourhoods like the one he grew up in. Thirty years of data refused to agree with him.
Expect to learn why there is no such thing as drug addiction in a rat, why "hard drugs" is a category the human body doesn't recognise, why he refuses to use the word "psychedelic", how one extra methyl group is the only difference between methamphetamine and the main ingredient in Adderall, why psychiatry still runs on a theory formalised in 1967 when only six neurotransmitters were known, what heroin actually feels like and why the real danger is constipation rather than overdose, why addiction tracks access rather than pharmacology, and much more…
SPONSORS
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GS EPISODES MENTIONED
David Luke - Meet the Professor of Paranormal Consciousness - DMT Entities, Telepathy Tapes & OBE's: https://youtu.be/qLKD1gt1X5o
GUEST LINKS
Columbia Psychiatry Profile: https://www.columbiapsychiatry.org/profile/carl-hart-phd
Personal Website: https://drcarlhart.com/
X: https://x.com/drcarlhart
Drug Use for Grown-Ups: Chasing Liberty in the Land of Fear: https://en.wikipedia.org/wiki/Drug_Use_for_Grown-Ups
High Price: A Neuroscientist's Journey of Self-Discovery: https://en.wikipedia.org/wiki/High_Price_(book)
FOLLOW EVAN
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TIMESTAMPS
0:00:00 Trailer
0:02:16 Why Human Rights Became His Whole Mission
0:03:45 "I Believed the Bullshit About Drugs"
0:07:42 The Brain-Imaging Studies That Prove Nothing
0:10:32 Why "Hard Drugs" Is a Made-Up Category
0:12:42 There Is No Such Thing as Addiction in a Rat
0:14:18 Put Cocaine on Your Gum and See What Happens
0:15:50 Rat Models for Autism, ADHD and Depression
0:18:03 How Many Hoops to Give a Human Crack Cocaine
0:20:38 "Psychedelic" Is a Political Word, Not a Real Thing
0:22:40 Why the One-Receptor Story Is Bullshit
0:23:56 Psychiatry Is Still Running on a 1967 Theory
0:31:17 One Methyl Group: Meth vs Adderall
0:34:41 The Lab NASA Built for Astronauts
0:37:45 The Phenomenology Gap Nobody Studies
0:39:01 "I Was a Virgin to These Drugs, And Not Even Curious"
0:44:14 What Heroin Actually Feels Like
0:47:04 The Real Danger Is Constipation
0:52:47 The Overdose Myth He's Trying to Destroy
0:55:39 Education, Not Harm Reduction
0:58:40 Addiction Isn't About Drugs, It's About Access
1:01:38 Not Whether to Legalise, But How
1:05:30 Dublin's Cocaine Problem, Evan Pushes Back
1:06:46 "That's Quite Arrogant of You"
1:09:05 The Same Argument That Delayed Emancipation
1:12:50 "We Put People on the Moon. This Is Not Complicated."
.....Email for sponsorship enquiries: evan@thegiantsshoulder.com - JOIN THE GIANT'S SHOULDER FAMILY
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Luca Turin is a biophysicist who has spent thirty years arguing that the nose reads a molecule's vibrations rather than its shape, published in Nature at twenty-three, and co-wrote the definitive critical guide to perfume with his wife Tania Sanchez. The vibrational theory of olfaction was declared dead twice before he revived it, and he is still waiting for the one experiment that would settle it. His newest result has nothing to do with smell: fruit flies sealed in separate opaque wells, with no sight, sound or scent between them, coordinate their movement anyway — and the coordination vanishes the moment the plate is made of metal. This is a scientist who went looking for anaesthesia and found something that looks like insect telepathy.
Expect to learn why creating a smell stimulus is nothing like creating a colour, how a startup elicited smell sensations with ultrasound for the first time in history, why the only two chemical groups in the universe that share one vibration are also the only two that smell of rotten eggs, how a receptor could read vibrations with no lenses or prisms anywhere in your nose, why the famous "trillion smells" figure was a mathematical error, why nobody in pharmacology can predict what a drug will do once it binds, how Google Quantum AI's xenon question led to fruit flies, what happened when the plates were swapped for aluminium, why radio frequency would be the perfect brain-wide reward signal, and much more…
SPONSORS
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GS EPISODES MENTIONED
Earl K Miller - Meet the MIT Neuroscientist Showing Brain Waves Are the Secret Engine Behind Consciousness: https://youtu.be/7OFb-NG3jIw
Marjorie Woollacott - Neuroscientist: "Your Brain Doesn't Create Consciousness" — NDEs, Telepathy and Terminal Lucidity: https://youtu.be/mDWtmfmIUHA
GUEST LINKS
Google Scholar: https://scholar.google.com/citations?user=fgXXdQYAAAAJ
Wi-Fly Project: https://wi-fly.eu/
X: https://x.com/LucaTurin
Substack: https://lucaturin.substack.com
YouTube: https://www.youtube.com/@lucaturin
SKOOL
Want a full breakdown of your own conscious inner experience? Join the Giant's Shoulder community: https://www.skool.com/the-giants-shoulder-6526/about
FOLLOW EVAN
https://x.com/evan_mcgl
TIMESTAMPS
0:00:00 Trailer
0:02:20 Biophysicists Are Dreamers, Biologists Are Doomed
0:07:07 The Startup That Triggered Smells With Ultrasound
0:12:22 The Rotten-Egg Coincidence That Convinced Him
0:18:34 What The Receptor Is Actually Reading
0:19:54 Electron Tunnelling, Explained Simply
0:23:33 The Trillion-Smells Figure Was A Maths Error
0:28:21 What Perfumers Perceive That You Don't
0:32:14 Why Every Drug Receptor Might Be Electrical
0:33:12 The Mystery Nobody Admits: Drug Efficacy
0:39:28 "Cascade" Is A Word That Masks Ignorance
0:44:04 The Receptor As A Transistor
0:48:40 Google Quantum AI And The Xenon Puzzle
0:52:24 Two Years Of Work, A Definite Maybe
0:53:55 30 Flies Freeze Like The Guards At Buckingham Palace
0:55:28 One Fly Per Well, No Way To Communicate
0:56:17 To My Total Astonishment, They Coordinate
0:58:45 Metal Plates Kill The Signal
0:59:36 The Wi-Fly: A Radio Network For Flies
1:11:26 Radical Pairs: How A Fly Could Listen
1:16:34 What Is The Brain's Reward Signal?
1:19:59 Standing Waves And The Binding Problem
1:23:58 Could Humans Ever Do This?
1:27:46 Ramanujan And Latent Abilities
1:36:16 Giving Fruit Flies DMT
.....Email for sponsorship enquiries: evan@thegiantsshoulder.com
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A Biology & Consciousness podcast chronicling the bio-singularity. 3x times per week I speak with leading scientists at the bleeding edge of Neuroscience, Consciousness and Biology.
No idea is too strange, tackled with genuine curiosity and technical rigour. Come follow the journey as I have my brain melted and ontology warped on a regular basis.
Evan has a Neuroscience degree from Trinity College Dublin and is founder of Giants Shoulder.
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