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SYSK Gets Weird Playlist: Doppelgängers: Hey you, you're me!

Stuff You Should Know

Hosted by Josh Clark

47m
Transcript

Original podcast

Summary

Written by a model from the transcript; not yet reviewed.

Josh Clark and Chuck Bryant explore the history, folklore, and modern science behind doppelgängers, examining why unrelated strangers can look so remarkably alike. The hosts discuss famous historical anecdotes, literature, and art projects like Francois Brunel's twenty-year photographic series pairing look-alikes. They unpack genetic studies showing that doppelgängers share similar single nucleotide polymorphisms governing facial construction, even while their epigenomes and microbiomes remain distinct. The conversation also covers how human brain structure, specifically the fusiform gyrus, drives our intense focus on recognizing faces, alongside practical applications like facial recognition AI and political decoys.

  • Unrelated doppelgängers often share significant genetic variations in single nucleotide polymorphisms that shape facial construction. 23:27
  • Human brains contain a specialized region called the fusiform gyrus dedicated exclusively to recognizing faces. 44:15
  • Facial recognition software exhibits significantly higher false positive rates for people of color and women due to training data bias. 47:35

Chapters

  1. 0:00
    Podcast Intro and Health Ad

    Hosts open the episode with a brief introduction followed by a health advertisement about Zepbound for sleep apnea.

  2. 2:42
    Introducing the Doppelgänger Theme

    The hosts announce the episode’s focus on doppelgängers and share personal anecdotes about encountering look‑alikes.

  3. 4:27
    Photographer Francois Brunel’s Project

    Discussion of Brunel’s 20‑year photo series that pairs strangers who look identical and the creative ways he captures them.

  4. 8:27
    Historical and Folklore Doppelgängers

    Exploration of ancient superstitions, literary examples, and real historical figures who claimed to see their doubles.

  5. 19:38
    Closing and Recap

    The episode wraps up with a brief recap of key points and a reminder to listen to the full show for more insights.

  6. 21:38
    Scientific Study of Genetic Similarity

    Review of a research study that analyzed the DNA of 32 doppelgänger pairs, revealing shared genes and epigenetic differences.

  7. 31:01
    Debating the Definition of a Doppelgänger

    Hosts debate what qualifies someone as a doppelgänger, considering appearance, relation, and cultural usage.

  8. 36:08
    Real‑World Encounters and Social Media

    Listeners share stories of meeting their look‑alike on planes, in pools, and online, highlighting the uncanny nature of such meetings.

  9. 46:24
    Potential Uses and Ethical Concerns

    Hosts speculate on how doppelgängers might be used for entertainment, crime, or other purposes, and the ethical questions that arise.

  10. 50:24
    Political Decoys Explained

    Hosts discuss how body doubles serve as political decoys to protect leaders.

  11. 51:39
    Movies About Decoys

    The conversation turns to films such as The Devil's Double and Operation Mincemeat.

  12. 53:03
    Swedish Series on Assassination

    They preview a five‑part Swedish series about the 1986 assassination of Prime Minister Olaf Palma.

Highlights

  • 4:26

    Brunel's Doppelgänger Photography Projectstory

    Photographer Francois Brunel spent twenty years gathering unrelated doppelgängers and photographing them together with intimate, deliberate posing that makes them look like identical twins.

  • 8:35

    Medieval Superstition of Doominsight

    Old English and German folklore held that seeing your own doppelgänger three times was an omen indicating that you were about to die.

  • 23:35

    Genetic Versus Epigenetic Findingsdata

    Genomic analysis of 32 doppelgänger pairs revealed shared single nucleotide polymorphisms, while their epigenomes and microbiomes showed no more similarity than two random strangers.

  • 28:05

    One in a Trillion Probabilitydata

    An Australian biologist calculated the odds of two people matching across eight facial dimensions as one in a trillion, raising questions about the probability of identical strangers.

  • 36:13

    Uncanny Ryanair Seat Encounterstory

    A man boarding a flight to Ireland discovered his exact doppelgänger sitting directly in his assigned seat, leading to an unexpected viral internet moment.

  • 44:39

    Electrical Stimulation of the Brainstory

    During surgery involving mild electrical currents applied to the fusiform gyrus, conscious patients perceived immediate shape-shifting changes in the faces right in front of them.

  • 52:09

    Wartime Decoys and Body Doublesstrategy

    Historical figures and military commanders like British General Bernard Montgomery utilized look-alike doubles and actors as decoys to mislead adversaries during wartime operations.

Quotes

  • “I think we should actually do an entire episode on the fusiform gyrus and face blindness.”
    Josh Clark · 44:19
  • “I think the microbiome was the same as the epigenetic finding, which was, I think the quote was, 'It generally wasn't any closer than two randos.'”
    Unnamed speaker · 24:49
  • “If you see your doppelganger three times, it meant you were about to die.”
    Josh Clark · 8:35
  • “People look at identical twins and they're like, 'Oh, you're identical.' But if you really start to look at them closely, you're like, actually, there's a lot more differences than you'd think between them.”
    Josh Clark · 23:50
  • “But the places where it really kind of comes in handy, if you really look like the person in the face, and the build, and the hair, and the mustache, and all that, is to serve as like a decoy, a political decoy.”
    Josh Clark · 50:29
  • “Saddam Hussein had a bunch of decoys. They made a movie called The Devil's Double about a man that was his son's double, Uday.”
    Unnamed speaker · 51:26
  • “He was Australian, and he posed as Bernard Montgomery and went around, I would guess, Europe, talking about Allied plans, in the hopes that like, his, his plans would be, or that the talks would be overheard by German spies.”
    Josh Clark · 52:15
  • “Those small conversations, shared laughs, and quick hellos are what keep relationships strong, even when life gets busy.”
    Unnamed speaker · 57:46
  • Zepbound 0:11–1:29
  • Eating Interrupted 1:47–2:07
  • MyLowe's 2:15–2:36
  • Toyota 16:24–17:24
  • Wayfair 17:45–18:15
  • Bombas 18:31–19:19
  • iHeartRadio 56:23–56:30
  • Toyota 56:38–57:07
  • Capital One 57:09–57:34

About this episode

Seeing your near twin is probably pretty weird. But could there be a genetic commonality as well? You bet there could! See omnystudio.com/listener https://omnystudio.com/listener for privacy information.

Transcript

0:00
47:37

10,378 words · 6 speakers

Speaker names marked are inferred from speaking time and the show’s known hosts — they are not voice-verified.

Topics

  • Dusseldorf
  • Time Life books
  • Sibenkass
  • US Anthropometric Survey Database
  • Ford
  • Vardugger
  • Apple Podcasts
  • Carreras Luchemia Research Institute

Page updated · transcript and summary are machine-generated