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Science Fictions

Hosted by Tom Chivers and Stuart Ritchie · science · EN · 145 episodes

Audience: 5

About this Podcast:

A weekly podcast about the latest scientific controversies, with Tom Chivers and Stuart Ritchie sciencefictionspod.substack.com

Pitch Analysis

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Contact path

Verified email

Booking probability

35%

Guest openness

Selective

Verified email on file
80/100
Required Score

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Questions about Science Fictions

Who hosts Science Fictions?

Science Fictions is hosted by Tom Chivers and Stuart Ritchie. The show has published 145 episodes to date.

What has Science Fictions covered recently?

Recent episodes include "Unpaywalled: The science of Johann Hari" (12 May 2026, 71 minutes), "Episode 100: Replication, replication, replication" (28 April 2026, 77 minutes), and "Episode 99.5: Candidate genes" (21 April 2026, 73 minutes).

How often does Science Fictions publish?

Science Fictions publishes roughly weekly, with episodes averaging 52 minutes across 145 episodes.

How hard is it to get booked on Science Fictions?

Booking probability for Science Fictions is 35%, and the host is rated Selective on guests. Science Fictions requires a Pod Score of 80 or higher. Science Fictions's contact route on record: verified email.

Who should pitch Science Fictions?

The strongest fits for Science Fictions are Scientific Research & Development. Science Fictions has a science audience.

About the host

Tom Chivers and Stuart Ritchie hosts Science Fictions, a science show with 145 episodes published.

Verified host email: ████████@████.comSign in to unlock →

Recent episodes

Our AI reads these to draft pitches. Use them as grounding for a pitch that cites a real guest and a specific topic.

  • Science Fictions

    Unpaywalled: The science of Johann Hari

    May 12, 20261h 11mS0

    <p>We are sorry we’ve been missing so many episodes recently! Stuart’s been busy and Tom’s been… also busy. We’re busy. Hopefully back to normal service next week. </p><p>In the meantime, here’s an old paid episode...

  • Science Fictions

    Episode 100: Replication, replication, replication

    Apr 28, 20261h 17mS0

    <p>We made it: triple figures! And as luck would have it, Nature just simultaneously published four major meta-science papers that are right up our street. Aw. Thanks, Nature. You shouldn’t have.</p><p>How screwed is...

  • Science Fictions

    Episode 99.5: Candidate genes

    Apr 21, 20261h 13mS0

    <p>Here’s another one for the annals of “entire scientific field becomes totally misguided for decades”. How could it have been possible that so many scientists fell for the idea of candidate genes—that there were...

  • Science Fictions

    Episode 99: Power posing

    Mar 31, 20261h 13mS0

    <p>For a while in the early-to-mid 2010s, the most prominent psychology research in the world was on power posing. Harvard’s Amy Cuddy did a TED talk that reached tens of millions; her exhortation to “fake it til you...

  • Science Fictions

    Paid-only episode 28: Tourette's syndrome

    Mar 24, 202610 minS0

    This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.com<br/><br/><p>Have you seen the award-winning film I Swear, about a Scottish man with Tourette’s? (The less said about what...

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  • Science Fictions

    Episode 98: Dark oxygen

    Mar 17, 202659 minS0

    <p>In 2024, researchers claimed to find something mysterious at the bottom of the ocean. It was “dark oxygen”—oxygen produced where there’s no chance of photosynthesis. So what could possibly be producing...

  • Science Fictions

    Episode 97: The 2D:4D digit ratio

    Mar 10, 20261h 3mS0

    <p>The last few episodes have been pretty heavy. So here’s… well, here’s the 2D:4D ratio. Does the difference in length between your index finger and your ring finger reveal a huge amount about your personality (and...

  • Science Fictions

    Paid-only episode 27: Antidepressants

    Feb 24, 20269 minS0

    This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.com<br/><br/><p>And now… following last week’s episode on ECT, here’s part two of our double episode on depression treatments...

  • Science Fictions

    Episode 96: Electroconvulsive therapy

    Feb 17, 20261h 13mS0

    <p>Open up some scientific papers, and you’ll hear electroconvulsive therapy described as the most effective treatment for depression (especially very severe depression). But open up others, and you’ll see it described...

  • Science Fictions

    Episode 95: Critical thinking

    Feb 10, 20261h 1mS0

    <p>This episode is dedicated to Justin Eldridge.</p><p>We like to think that, in often hamfisted ways, we’re applying critical thinking on this show. But what even is “critical thinking”? Can you measure it? Can you...

  • Science Fictions

    Episode 94: Medical marijuana

    Feb 3, 20261h 3mS0

    <p>Here’s another episode that revists a topic we’ve covered before. A while back, we did an episode on the downsides of cannabis (for example, the risk of psychosis). But of course, a lot of people claim there are...

  • Science Fictions

    Paid-only episode 26: Microplastics redux

    Jan 20, 202611 minS0

    This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.com<br/><br/><p>It’s rare that we return to a topic, but it’s also nice to have been right. In 2024 we did an episode on...

  • Science Fictions

    Episode 93: Many analysts

    Jan 13, 20261h 19mS0

    <p>Here’s a cheery one for our first episode of the year. Guess what happens when you give several sets of scientists the same dataset and ask them to answer the same question? Well, they all find the same results...

  • Science Fictions

    A Christmas 2025 compendium

    Dec 30, 202532 minS0

    <p>We’ve covered a lot of bad science stories over the year. Here are a few more. But in the optimistic spirit of the “holiday season”, the last one has a happy ending. </p><p>Thanks for listening—especially if you’re a...

  • Science Fictions

    Episode 92: Oliver Sacks

    Dec 16, 20251h 10mS0

    <p>STOP PRESS: a beloved 20th Century populariser of psychology who wrote massively successful books has been shown to be full of crap. Actually… don’t stop press. Just put it on the pile with all the others.</p><p>This...

  • Science Fictions

    Paid-only episode 25: The menopause and hormone replacement therapy

    Dec 2, 202510 minS0

    This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.com<br/><br/><p>Does the evidence support the use of hormone replacement therapy (HRT)? Depends on when you asked the question...

  • Science Fictions

    Unpaywalled: Jonathan Haidt vs. social media

    Nov 26, 20251 hourS0

    <p>Hello everyone! We weren’t able to record a podcast this week, because 1) Stuart was busy and 2) it’s Tom’s birthday. So by way of apology we’re re-releasing this one about some drama last year between Jon Haidt...

  • Science Fictions

    Episode 91: Entangled Life and the wood wide web

    Nov 18, 20251h 1mS0

    <p>Everyone has read Entangled Life, the wonderfully-written book about fungi that took the world by storm about 5 years ago. Among many other things, it popularised the “wood wide web”—the idea that trees can...

  • Science Fictions

    Episode 90: Cognitive dissonance

    Nov 11, 20251h 5mS0

    <p>It has happened again. A new paper, based on a tranche of unsealed historical documents, casts serious doubt on a piece of social psychology research from the mid-20th Century. Shocker!</p><p>This time it’s about...

  • Science Fictions

    Paid-only episode 24: Creatine

    Nov 4, 202511 minS0

    This is a free preview of a paid episode. To hear more, visit sciencefictionspod.substack.com<br/><br/><p>Creatine is the supplement of the moment, but both of us had vaguely heard that this one might actually not be...

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