Natan Podcast

00:00 Cold open
01:01 Having your inner dialogue read: from cursor control to speech BCIs
05:08 Inner speech without movement: what the motor cortex revealed
05:48 Every brain is different: fMRI mapping and the two speech hotspots
09:03 The participant's journey: enrollment and brain scanning
15:04 Surgery, plan A/B/C, and the first recording sessions
17:46 What happens to intrusive thoughts?
19:17 Natural vs. intentional inner speech: the counting experiment
23:05 Not everyone hears a voice in their head
24:44 Her father, ALS, and becoming a "human BCI"
26:47 Life after the study: daily use and the T15 participant
28:12 The biggest surprise: a little of everything, everywhere
29:28 What's next: aphasia and LLMs as a window into the brain
31:37 Rethinking Broca's area
33:39 Consciousness, materialism, and free will
35:19 Solving the brain: our human context window
36:12 What we'll understand in 10 to 20 years
37:32 Closing question: what excites your creativity?

00:00 Cold open
00:42 Intro: Dr. Benjamin Seibold and key terms
02:58 Why fully self-driving cars might never happen
06:40 Platooning: automated lanes and truck convoys
10:11 How a fluid dynamicist ended up studying traffic
13:20 Phantom traffic jams: everybody’s fault and nobody’s fault
15:05 Same math, different worlds: detonations, galaxies, invasive species
17:51 How the research gets done
20:19 Measuring traffic and the Japanese ring road experiment
24:47 The fix: how 5% of cars can smooth traffic for everyone
28:51 CIRCLES: taking the experiment to a real highway
30:18 Should governments pay drivers to smooth traffic?
31:44 How many bad drivers cancel out the good ones?
33:30 What’s next: shared mobility and the doubling problem
35:56 Has science made society better or worse?

Honeybees are the only animals besides us that tell each other where to find food. Dr. James Nieh has spent thirty years decoding how they do it, from the waggle dance to the "stop signal" he discovered when his first experiment fell apart, and he thinks their language evolved as encryption against enemy spies.

THE BOOK The Language of Bees: https://www.amazon.com/Language-Bees-James-C-Nieh/dp/0691204896

THE PLAYLIST Free videos of the waggle dance, stop signal, and colony warfare: https://www.youtube.com/watch?v=zEquVG35La0&list=PLeqMCDrvHGdNn10XWL4jmJ1O-42FJVL1H 00:00 – Cold open: bees hear through hairs, and honey burial for kings 00:28 – What a world without bees actually looks like 01:38 – Quitting biology for medieval history, then coming back 02:58 – The waggle dance: direction from the sun, distance from duration 05:12 – Navigating a pitch-black nest (polarized light, ocelli, gravity hairs) 07:15 – Inside a bee's mind: UV vision, vibration, electric charge on flowers 10:16 – A day in the life of a bee researcher 11:48 – Cross-fostering two species: distance dialects and genetic pull-back 14:30 – Bees in religion, honey as medicine, honey burial 19:09 – The failed experiment that became the stop signal 26:01 – Spies, odor trails, and why the dance may be encrypted communication 29:58 – Why bees look the way they do: warning coloration and cheaters 31:54 – The superorganism: queens live years, workers live 40 days 34:58 – Who actually decides when a new queen is made (not the queen) 36:54 – Is there a hive mind? Social vs personal information 39:38 – Why honeycomb is hexagonal, and why wax is expensive 41:41 – Biomimicry: tank armor, aircraft, bulletproof vests 43:22 – Dream scenario: 50 colonies in the tropics and a laser that works 47:46 – Why science needs failure 50:37 – Why the book opens in a cemetery on the Day of the Dead 55:03 – The Language of Bees: where to find the book and the free playlist

Elephants call each other by name. Dr. Mickey Pardo spent years in Kenya recording wild elephant rumbles to prove it, and what he found rewrites what we thought we knew about animal communication.

00:00 – Cold open: elephant memory (20+ year recall, beats bloodhounds on scent)

02:44 – Can elephants speak? The "name-like calls" discovery

03:35 – How the study worked: recording known callers/receivers in the wild

05:34 – What an elephant "name" actually sounds like

07:04 – Getting to Samburu with Save the Elephants

09:03 – Elephant society: matriarchs, family groups, bond groups, clans

12:35 – The memory research (dung recognition, urine-position tracking)

25:32 – The technical breakdown: random forest model, 27.5% vs 8% baseline

33:55 – The Matisse story: a newborn calf and the "naming" moment

41:23 – Dream scenario: building an "elephant GPT" transformer model

48:00 – Could humans ever actually talk to elephants?

50:39 – Final takeaway: we keep underestimating animal cognition

People are injecting peptides with promising potential and little knowledge behind what it might do.

Dr. Flynn McGuire breaks down the truth behind these mystery compounds.

15:15 The actual human evidence: three tiny uncontrolled pilot studies
17:12 Why none of this rules out placebo, no randomized controlled trials exist
17:59 The real danger: mislabeled, contaminated, unregulated vials
19:38 Why people reach for this instead of the slow, boring fix
20:25 Why Big Pharma won't touch it: the patent problem
23:20 GLP-1 took 50 years from discovery to market, a reality check on hype timelines
24:03 The unanswered questions: dose, frequency, route
25:22 The cancer risk nobody's talking about
27:00 Flynn's dream study with unlimited funding
27:37 Anecdote as the weakest form of evidence
28:26 Influencer sponsorships and the incentive to oversell
28:57 The 10 to 20 year outlook: weight loss, anti-aging, skin peptides
30:34 Where Flynn sees legitimate promise (cheaper alternative to PRP and stem cells)
31:17 Closing question: the hardest part of being a scientist
32:35 No silver bullet, time and effort still win
33:15 Outro

Dr. Ingrid K. Tulloch (PhD, biological psychology and behavioral neuroscience, CUNY) explains epigenetics: how experience switches genes on and off without changing the DNA itself. Covers how trauma can pass down as many as six generations, why it's reversible, the role of inflammation and nutrition, and where the supplement industry oversells the science.

0:00 Cold open: shaping our own gene expression, ancestral trauma teaser

0:40 Intro: guest bio, psychoneuroimmunology, 4-part episode roadmap

1:42 Part 1: What epigenetics actually is (gene on/off, not DNA rewriting)

3:34 The "book and punctuation" analogy: comma vs. period

5:53 Natan's analogy tested: the "hit by a car" comma/period example

6:14 Ingrid's scientific origin story: astrophysics to cancer lab to psychology

9:12 The zebra finch dopamine study

10:37 Why zebra finches matter: parallels to human language development

12:10 Why this matters: social, behavioral, and biological health

16:19 Part 2: Can trauma be inherited across generations?

17:09 Resilience vs. PTSD: why the same event affects people differently

17:36 The NYU Holocaust descendants study

19:40 Epigenetic marks are inheritable—but reversible

20:31 Part 3: What reverses it? Nutrition and anti-inflammatories

20:54 What inflammation actually is

22:22 Inflammation's link to Alzheimer's and psychological disorders

23:19 Animal studies vs. humans: correlation and causation

24:57 Turmeric: benefits and limitations

28:39 Why turmeric needs black pepper

31:01 How curcumin works: Toll-like receptor 4 explained

34:02 Saffron: anti-inflammatory and cognitive effects

35:52 The marketing problem: science vs. supplement hype

36:36 Part 4: The evidence against her own research

38:03 Dream experiment: can biology make people kinder?

40:15 AI's role in psychoneuroimmunology

42:03 Should we speed up science?

42:34 Outro