Stuff You Should Know

Stuff You Should Know

If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
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Episode's summary

The hosts share personal dream anecdotes before diving into the science of sleep, specifically focusing on the biological stages of REM sleep and the physiological state of paralysis. The discussion contrasts Freud's and Jung's psychological theories with the activation-synthesis hypothesis, which views dreams as random neural firings. The episode further explores phenomena such as lucid dreaming, dream incubation for problem-solving, and the clinical implications of nightmares in conditions like PTSD and Parkinson's disease. The conversation concludes by examining potential links between precognitive dreams and quantum physics, followed by a listener story about Sammy Davis Jr.

Chapters

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Highlights

The one really important aspect about REM sleep is in addition to like this is where you have your – dreams, dreams, you are paralyzed, essentially.

00:07:55 · The host describes the physiological state of paralysis during REM sleep intended to prevent acting out dreams.

Freud was like, dreams conceal, and Jung was like, no, no, no, dreams reveal.

00:12:59 · The host summarizes the fundamental psychological difference between Freud's and Jung's theories on dream interpretation.

And people have shown you can come up with solutions to waking life problems in your dreams.

00:29:21 · The speaker explains how dream incubation can be used as a tool for creative problem-solving.

They have figured out forms of dream therapy for PTSD specifically, but it can also be used by anyone having recurring bad dreams or nightmares where you essentially train yourself To imagine a different ending for that nightmare.

00:41:07 · The speaker describes a therapeutic technique used to mitigate the impact of traumatic nightmares.

it basically says that under some quantum theories, like quantum gravity, I think it allows for this, where past, present, and future are not following any kind of linear order like we think of time.

00:46:13 · The speaker discusses a scientific theory that could potentially provide a framework for understanding precognitive dreams.

Episodes

3718-

Our Big Fat Dream Episode

The hosts share personal dream anecdotes before diving into the science of sleep, specifically focusing on the biological stages of REM sleep and the physiological state of paralysis. The discussion contrasts Freud's and Jung's psychological theories with the activation-synthesis hypothesis, which views dreams as random neural firings. The episode further explores phenomena such as lucid dreaming, dream incubation for problem-solving, and the clinical implications of nightmares in conditions like PTSD and Parkinson's disease. The conversation concludes by examining potential links between precognitive dreams and quantum physics, followed by a listener story about Sammy Davis Jr.

22 Sep 2026
3717-

Selects: Fallout Shelters: Probably Useless (Let’s Never Find Out)

In this retrospective episode, the hosts explore the history and reality of fallout shelters, prompted by a personal anecdote of being trapped in an abandoned school basement. The discussion covers the mechanics of radioactive particles, the concept of Protection Factors, and the 1950s-60s craze for survival supplies like 'Meals for Millions'. The episode further details the U.S. government's National Fallout Shelter Survey initiated by President Kennedy and examines the psychological impact of nuclear anxiety during the Cold War. The hosts also address DIY shelter construction methods from Oak Ridge National Laboratory and conclude with listener mail regarding terminology corrections.

19 Sep 2026
3716-

SYSK Gets Weird Playlist: What is Collective Hysteria?

In this episode of 'Stuff You Should Know Gets Weird,' the hosts explore mass psychogenic disorder, also known as collective hysteria. They examine how physical symptoms can manifest without environmental causes, looking at historical cases ranging from the 1518 dancing plague to modern outbreaks. The discussion delves into the nocebo effect and how negative expectations or media coverage can trigger genuine physical distress. The episode concludes with a look at how humans interpret phenomena through available scientific or supernatural lenses, followed by listener mail regarding a personal story of loss.

18 Sep 2026
3715-

SYSK Gets Weird Playlist: Mermaids: Not a real thing

This episode of 'Stuff You Should Know' explores the myth and folklore of mermaids, debunking their existence while tracing their cultural impact. The hosts discuss the darker origins of mermaid legends, including how these tales were often rooted in misogyny, and examine various mythological figures like Mami Wata and Atargaddis. The discussion also covers historical eyewitness accounts from explorers like Columbus, suggesting that sightings of manatees may have been misidentified as mermaids. Finally, the episode explores modern mermaid culture, including professional mermaiding as a platform for ecological activism.

18 Sep 2026
3714-

SYSK Gets Weird Playlist: What's the deal with blue people?

This episode explores the fascinating science and history behind blue skin, beginning with the story of the Fugate family in Kentucky. The hosts explain how a rare genetic mutation for methemoglobinemia became prevalent due to isolated inbreeding and discuss Dr. Madison Cawein's discovery of methylene blue as a treatment. The discussion then shifts to Argyria, a condition caused by silver accumulation that results in bluish or silvery skin. The hosts examine the historical use of silver as an antimicrobial agent, the risks of unregulated colloidal silver supplements, and recent scientific findings regarding skin repigmentation due to UV adaptation.

18 Sep 2026