
Jeff FINALLY wraps up his series on the importance of understanding history.
Techniques, concepts, and drills from more than forty years of experience and research
Jeff FINALLY wraps up his series on the importance of understanding history.
Jeff discusses the cognitive bias known as “survivor-ship bias.”
Jeff discusses several common myths about the human brain.
Jeff continues his mini-series on the controversy surrounding leg locks in submission grappling training and competition. This week he tells the Russian part of the story.
Jeff begins a four-part series discussing the controversy regarding the relative safety of leg locking techniques in submission grappling training and competition. In Part One he tells the “Brazilian Story.”
Jeff describes the history of an obscure martial art and its connection to the women’s suffrage movement.
Jeff continues his three part treatment of skepticism, both in the martial arts and in the rest of life. In this episode he discusses how we know what we know.
Jeff discusses the pros and cons of using belts to signify rank in the martial arts.