This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.comCreatine is the supplement of the moment, but both of us had vaguely heard that this one might actually not be total garbage.On the other hand: there are a lot of surprising claims made about it! If proponents are to be believed, it doesn’t just boost muscle mass – it reduces depression, prevents cancer, and improves your cognitive function.How much of this should we believe, and how much is it just a big load of crap? We thought we would take a look.
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Episode 89: Halloween special on reincarnation
Around these parts, we have a tradition to do a paranormal episode at Halloween. We’ve done psychic powers, ghosts, and now… reincarnation. What are we to make of the stories—sometimes told in NYT-bestselling books—of children who appear to remember details of their past lives? What about the many peer-reviewed scientific papers that claim that something supernatural is going on here? In this EXTRA-SPOOKY episode, we find out.🎃 Happy Halloween! 🎃The Science Fictions podcast is brought to you by WoooOOOOOooooOOOOorks in ProoooooOOOOOooooooOOOOOooogress magazine, which is bursting with historical stories, policy ideas, and well-written scientific explanations, all focused on the topic of progress. You can find all of Works in Progress—essays, shorter pieces, podcasts, and even the chance to subscribe to the print edition—at worksinprogress.co.Show notes* The University of Virginia’s Department of Perceptual Studies* And the University of Edinburgh’s Koestler Parapsychology Unit* Jim Tucker, child psychologist and reincarnation researcher* Tucker’s 2025 paper on the >2,500 reported cases of reincarnation* 2024 review of cases on the “reincarnation birthmark” issue* Michael Sudduth’s 94-page debunking of the James Leininger case* Response from Jim Tucker on Leininger* Reply from Sudduth* Sudduth’s blog post on the same issue* Steven Novella on memory, children’s learning, and supposed reincarnationCreditsThe Science Fictions podcast is produced by Julian Mayers at Yada Yada Productions. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit sciencefictionspod.substack.com/subscribe
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Episode 88: Wellbeing
Maybe it’s the most important thing any scientist can study: what makes people happy? The trouble is, despite the importance, a lot of the science on “wellbeing” tends to be very rickety.But did you know that even one of the best-known findings of wellbeing research—the midlife crisis, or “inverted U shape” of happiness over the lifespan—has been questioned? In this episode we discuss the controversy.The Science Fictions podcast is brought to you by Works in Progress magazine. At worksinprogress.co you can read issue after issue of fascinating articles bursting with ideas on how humans made scientific and technological progress in the past, and how we can keep it going. You can also check out their selection of other podcasts at podcast.worksinprogress.co. Show notes* The American Psychologist paper that claimed to reveal the fluid dynamics of human happiness* Nick Brown and Alan Sokal’s devastating rebuttal* And coverage in The Guardian at the time* David Blanchflower’s original work on the inverted U-shape of happiness* And subsequent work that backs it up…* …and subsequent work that does not back it up* New paper that tries to work out why there are differing results* Afghanistan reporting the lowest wellbeing in recorded history* Our previous episode on the weird phenomenon of collider biasCreditsWe’re grateful to Dr. Julia Rohrer of Leipzig University for talking to us for this episode (though as usual, if there are mistakes, they’re ours and not hers). The Science Fictions podcast is produced by Julian Mayers at Yada Yada Productions. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit sciencefictionspod.substack.com/subscribe
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Episode 87: Does Tylenol cause autism?
You requested; we delivered. Lots of Science Fictions listeners have asked us to take a look into Donald Trump and RFK, Jr.’s recent claims about Tylenol (that is, paracetamol or acetaminophen—all the same thing). Does it cause autism?It turns out there’s more to this than you might’ve thought—regardless of all the recent hype, a lot of very reputable scientists take the idea seriously. But should they? In this emergency podcast, we go through all the relevant studies.The Science Fictions podcast is brought to you by Works in Progress magazine. In the ad this week we mentioned “The Death Rays that Guard Life”, an article from Issue 20 of the magazine about far-UVC light and how—with a lot more research—it might be the next big thing for reducing the spread of germs in hospitals and classrooms. Find that and many other articles and podcasts at worksinprogress.co.Show notes* The FDA’s September 2025 announcement on Tylenol and autism* The UK’s Department of Health and Social Care announcement the same day* “The phrase ‘no evidence’ is a read flag for bad science communication”, by Scott Alexander* 2003 theoretical paper with speculation about paracetamol and neurodevelopmental disorders* 2013 sibling control study in the International Journal of Epidemiology* “Ecological” study in Environmental Health from 2013 about circumcision rates, paracetamol, and autism* 2015 Danish seven-year follow-up study* 2019 cord blood study in JAMA Psychiatry* 2021 “consensus statement” on paracetamol and neurodevelopment* 2025 Japanese sibling-control study* 2024 very large Swedish sibling-control study* Study that sparked the current debate: the “Navigation Guide” review from Environmental Health* Description of what “Navigation Guide” is* STAT News on the evidence for a paracetamol-autism link; and on the controversy about the Dean of the Harvard School of Public Health* White House statement defending the existence of the link* BMJ article summing up the controversyCreditsThe Science Fictions podcast is produced by Julian Mayers at Yada Yada Productions. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit sciencefictionspod.substack.com/subscribe
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Paid-only episode 23: Suicide contagion
This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.comWarning: As you can tell from the title, this podcast covers a potentially distressing topic.Recent events have had us wondering about “copycat” violence. If people see violence reported in the media, are thRey more likely to do the same thing themselves? Does this apply to homicide, or suicide too? We start with an episode on suicide—one on homicide is coming soon. What’s the evidence for suicide contagion? What does this mean for how we should portray suicide in the news, and in fiction? As ever, there’s a scientific controversy behind every question.This is paid-only episode of the Science Fictions podcast: become a paid subscriber to hear the whole thing and read the show notes.
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