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Diderot Effect, Animated Cave Art, Running Benefits Your Knees

Learn about the Diderot Effect; how cave art becomes animated in firelight; and why running may be good for your knees.  The Diderot Effect is why buying one new thing makes you want to buy more new things by Steffie Drucker Clear, J. (2015, October 6). The Diderot Effect: Why We Want Things We Don’t Need. James Clear.  ‌Hendricks, S. (2018, July 16). How the Diderot Effect explains why you buy things you don’t need. Big Think; Big Think. Wiest, B. (2018, July 10). The “Diderot Effect” Explains Why It’s So Easy To Feel Like You Never Have, Or Do, Enough. Forbes.  ‌Diderot, D. (1769). Regrets for my Old Dressing Gown.  Cave art becomes animated when you view it in firelight by Grant Currin Ouellette, J. (2021, June 19). Archaeologists recreated three common kinds of Paleolithic cave lighting. Ars Technica; Ars Technica. Wachtel, E. (2017). The First Picture Show: Cinematic Aspects of Cave Art. Leonardo, 26(2), 135–140.  Light in darkness: an experimental look at Paleolithic cave lighting. (2021). EurekAlert!  Medina-Alcaide, M. Á., Garate, D., Intxaurbe, I., Sanchidrián, J. L., Rivero, O., Ferrier, C., Mesa, M. D., Pereña, J., & Líbano, I. (2021). The conquest of the dark spaces: An experimental approach to lighting systems in Paleolithic caves. PLOS ONE, 16(6), e0250497.  Running May Actually Be Good for Your Knees by Ashley Hamer first aired September 2, 2018  Follow Curiosity Daily on your favorite podcast app to learn something new every day withCody Gough andAshley Hamer. Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to to start your 7-day free trial. discovery+ is currently only available for US subscribers. See for privacy information.

Om Podcasten

The award-winning Curiosity Daily podcast from will help you get smarter about the world around you — every day. In less than 10 minutes, you’ll get a unique mix of research-based life hacks, the latest science and technology news, and more. Discovery's Cody Gough and Ashley Hamer will help you learn about your mind and body, outer space and the depths of the sea, and how history shaped the world into what it is today.