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Talkers Are Leaders, DNA Evidence Myth, Thinking Sans Brain

Learn about a key trait in group leaders; why DNA evidence is overrated; and a brainless slime mold that can “think.” The "babble hypothesis" of leadership says people who talk more are seen as leaders by Steffie Drucker Dolan, E. W. (2021, July 17). New study finds people who speak more are more likely to be viewed as leaders. PsyPost; PsyPost.  MacLaren, N. G., Yammarino, F. J., Dionne, S. D., Sayama, H., Mumford, M. D., Connelly, S., Martin, R. W., Mulhearn, T. J., Todd, E. M., Kulkarni, A., Cao, Y., & Ruark, G. A. (2020). Testing the babble hypothesis: Speaking time predicts leader emergence in small groups. The Leadership Quarterly, 31(5), 101409.  Contrary To Popular Belief, DNA Evidence Is Far From Perfect by Ashley Hamer  Shermer, M. (2015). Forensic Pseudoscience. Scientific American, 313(3), 95–95.  Shaer, M. (2016, May 17). The Atlantic. The Atlantic; theatlantic.  ‌Dolan, M. (2019, January 29). The danger of DNA: It isn’t perfect.; Chicago Tribune.  There's a brainless slime mold that can do things often associated with thinking by Cameron Duke Greenberg, A. (2020, September 21). Eight smart things slime molds can do without a brain.; Nova.  Murugan, N. J., Kaltman, D. H., Jin, P. H., Chien, M., Martinez, R., Nguyen, C. Q., Kane, A., Novak, R., Ingber, D. E., & Levin, M. (2021). Mechanosensation Mediates Long‐Range Spatial Decision‐Making in an Aneural Organism. Advanced Materials, 2008161.  Thinking without a brain. (2021, July 15). EurekAlert!  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.