Where is most of the universe? And why don't we know yet? Yes—we’re talking about dark matter and dark energy, the mysterious stuff that’s predicted by physical theory, but which still remains elusive in experiments.After speaking to an actual physicist, Tom and Stuart attempt to explain what dark matter and dark energy are supposed to be, and what physicists would have to see in their experiments to know that they exist. They also come down with a serious case of physics envy.The Studies Show is sponsored by Works in Progress magazine, which has just published this excellent new article on the history of French nuclear power. Why has France been so successful at building nuclear plants while other countries have dropped the (radioactive, probably flourescent green) ball? “Liberté, Egalité, Radioactivité” tells you everything you need to know. Find it and much more, all for free, at worksinprogress.co.Show notes* August 2025 Science article about a “big blob” of dark matter in the Milky Way* LIGHTS ALL ASKEW IN THE HEAVENS* Cosmic microwave background? Or pigeon droppings?* 1984 Nature paper about “cold dark matter” and the formation of galaxies* WMAP probe map of the cosmic microwave background* Two papers from 1998 on the accelerating expansion of the universeCreditsWe’re very grateful to Prof. Andrew Pontzen of Durham University for talking to us for this episode (all mistakes are our own). The Studies Show 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 www.thestudiesshowpod.com/subscribe
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Episode 82: Paper mills
In our last standard episode, we talked about retraction—removing papers from the scientific literature. Well, it turns out there’s an awful lot of retraction to do, in large part due to paper mills. These are fraudulent enterprises that take money from nefarious scientists to put their name on fake scientific papers, and get them published in whatever journal will accept them. Sadly, paper mill papers are now rife. In this solo episode of The Studies Show (Tom is away at a wedding), Stuart talks through a new paper showing just how badly these paper mills have poisoned the scientific literature.Show notes* The new PNAS paper using various techniques to examine coordinated attempts at scientific fraud* A response from PLOS* The Retraction Watch article on ARDA* A few interesting recent articles on paper mills* The Nature News article on the universities with the most retractions* AI versus paper millsCreditsThe Studies Show 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 www.thestudiesshowpod.com/subscribe
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Unpaywalled: Diversity training
We’re very sorry about the disrupted service over this summer! It’s been hectic with work and a house move and various things. To tide you over, here’s a formerly paywalled episode: our very first one.…If you’ve ever done a diversity training session at work, you’ll almost certainly have learned about unconscious bias, microaggressions, stereotype threat, and trigger warnings. Prejudice, racism, and trauma are apparently simmering constantly, just under the surface of our conscious minds.It turns out that each of these concepts has been subject to a lot of scientific research. It also turns out, perhaps unsurprisingly, that they’re all extremely controversial. In this first paid-subscriber-only episode of The Studies Show, Tom and Stuart look at each of them in turn and try to decide which of them—if any—stand up to scrutiny.To listen to the full version of this episode and see the show notes, you’ll need to be a paid subscriber to The Studies Show podcast on Substack. See below, or go to www.thestudiesshowpod.com/subscribe, for the options.If you’re already a paid subscriber: thank you!Show Notes* Unconscious bias:* The Implicit Association Test at Harvard* The 2019 meta-analysis on experiments that try to change implicit, explicit, and behavioural biases* Article by Patrick Forscher, meta-analysis co-author, on unconscious bias training in CapX* Equality & Human Rights Commission Report on unconscious bias training* Microaggressions:* Original 2007 American Psychologist paper on microaggressions* Scott Lilienfeld’s 2017 critique of microaggression research* His article in Aeon summarising the critique* Response to Lilienfeld by Monnica Williams* Lilienfeld’s reply to Williams* Stereotype threat:* In the UK, girls now do better than boys at maths* 2015 meta-analysis on sex-related stereotype threat for maths* 2018 follow-up study by the same authors* 2019 meta-analysis on sex- and race-related stereotype threat* Planned meta-analysis on the decline effect in stereotype threat research* Trigger warnings:* The 2023 meta-analysis on trigger warning research* Scott Alexander on “The Wonderful Thing About Triggers”* Jonathan Haidt and Greg Lukianoff’s book The Coddling of the American MindCreditsThe Studies Show 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 www.thestudiesshowpod.com/subscribe
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Episode 81: Retraction
RETRACTED // In this episode of The Studies Show, Tom and Stuart discuss retraction, the process of removing articles from the scientific record. How often is it due to fraud? How many papers get retracted—and is the number increasing? Is it good or bad for a scientist to retract an article? // RETRACTEDWant even more podcasts? Now our sponsor, Works in Progress magazine, has a podcast where their editors talk to people with interesting progress-related ideas. One such person is the historian Anton Howes, who is interviewed about the unexpected origins of the Industrial Revolution in the latest episode. Find it at worksinprogress.news.Show notes* Retraction Watch, the extremely useful website that tracks and investigates retractions* Science’s writeup of the long process of retracting the GFAJ-1 “arsenic bacteria” paper* Original paper; retraction note; response from the authors* The first known retraction, from 1755* Retraction Watch’s discussion of it* Adam Marcus and Ivan Oransky on tracking retractions over time* 2022 PLOS ONE article on the number of retractions over time* Scholarly Kitchen post on the rate of retractions over time* Nature article on the 10,000 retractions in 2023 alone* 2011 article on the causes of retractions* 2012 article on the same: misconduct is found to account for the biggest proportion* James Heathers on the disastrous story of Wiley buying Hindawi* The retraction guidelines from COPE* The paper with a diagram of a very well-endowed rat* Are authors punished for retractions? Not necessarily* Reputational advantage from correcting errors* 2022 article on how scientists still regularly cite retracted papers (without knowing they’re retracted)CreditsWe’re very grateful to Ivan Oransky from Retraction Watch for his help with this episode. Any mistakes are ours. The Studies Show 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 www.thestudiesshowpod.com/subscribe
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Episode 80: Mindfulness meditation
Pay attention. Focus on your breathing. Live in the moment. Accept yourself. Do you have a self? Focus on that self. And so on. This is, of course, the practice of mindfulness meditation, which seems to be everywhere: in schools, at work, in apps, and all over the scientific literature.Do any of the claimed effects of mindfulness meditation (relieving your depression! Changing the structure of your brain!) actually add up? In this episode of The Studies Show, Tom and Stuart focus calmly, serenely, and gratefully on their own thoughts, and then find out.The Studies Show is brought to you by Works in Progress magazine. WiP has started doing its own podcasts! Don’t worry—we give you permission to listen to them. The one we mentioned on the show this week is an interview with Stian Westlake, the extremely interesting Chief Executive of the UK’s Economic and Social Research Council and expert in the “intangible” economy.Show notes* When Sam Harris tried to get Richard Dawkins to meditate on a podcast* Tom’s 2014 article on mindfulness, before all the criticisms started appearing* Mindfulness tips from the NHS* The 2017 critical paper from Perspectives on Psychological Science* 2014 meta-analysis finding no effect beyond active controls* 2021 meta-analysis drawing a similar conclusion* The now-retracted 2023 Scientific Reports meta-analysis on mindfulness and brain structure* Eiko Fried’s article discussing his experience critiquing the paper* The eventual retraction note* PLOS ONE paper from 2016 on the number of positive results found in mindfulness trials* 2015 meta-analysis on mindfulness in healthcare* The eventual retraction note* 2022 writeup of the MYRIAD study of school-based mindfulness techniques* Critical opinion piece by a mindfulness sceptic* Study on mindfulness in the context of neoliberal capitalismCreditsThe Studies Show 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 www.thestudiesshowpod.com/subscribe
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