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The Strenuous Life Podcast with Stephan Kesting

This is the Stephan Kesting's Grapplearts Radio Podcast where we discuss BJJ, Grappling, MMA, and all manner of martial arts training.

Stephan runs, where he has published many hundreds of martial arts videos, articles and tutorials.

His free guide to learning Brazilian Jiu-Jitsu, A Roadmap for BJJ, has been downloaded more than 10,000 times and has become a foundational text for the art. Click here to download that book for free as well.

Stephan has a lengthy career in martial arts, spanning more than 3 decades.  He has dedicated many years to Brazilian Jiu-Jitsu, and you can find his accessible and practical expertise on all BJJ matters at

A black belt in multiple martial art systems, he brings a range of approaches to self defense, and a critical eye for what works in the street.

Stephan has been featured in Black Belt Magazine, Ultimate Grappling, Tapout Magazine and Ultimate Athlete.

He is also a frequent guest on martial arts related podcasts, including The Fightworks Podcast, Atlantic MMA, Combatives Corner, The Warrior’s Den, The Spartan Underground and many more.

May 6, 2021

Today's conversation with Marcio Pie was a blend of two of my favorite topics: the science of biology and the science of BJJ.  Marcio is a professor of zoology at UFPR and practices Jiu-Jitsu in Curitiba, Paraná, Brazil

01:17 - Introduction to evolution
06:20 - Runaway selection
09:44 - Jiu-Jitsu strategies
14:28 - Evolutionary stable strategies
18:09 - The prisoner's dilemma
21:41 - Evolution applied in jiu-jitsu
25:58 - Mathematical approach to the study of memes
35:10 - How does evolution create complex things 
38:46 - Religion and evolution
44:23 - Denialists of fundamental science
50:36 - Basic body types in jiu-jitsu
59:30 - How to contact Marcio