Everyone thinks they think clearly. The research says otherwise.

This episode distills 100 hours of research on critical thinking into what actually works — the specific errors in reasoning that affect even highly intelligent people, how to evaluate evidence rather than just accumulate it, the difference between being smart and thinking well, and the habits that make your thinking more reliable over time.

Based on research by Kahneman, Stanovich, Sagan, and Paul & Elder.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

Every interaction you have is either moving someone toward yes or toward no. Most people have no idea which one they're doing.

This episode distills 100 hours of research on influence into what actually works — Cialdini's seven principles of influence and the science behind each one, why reciprocity is the most powerful force in human social behavior, how the world's most persuasive people think differently about every conversation, and the ethical line that separates influence from manipulation.

Based on research by Cialdini, Kahneman, Ariely, and Fogg.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

In a world designed to distract you, the ability to focus is a superpower. Most people have lost it without noticing.

This episode distills 100 hours of research on focus and deep work into what actually works — why the modern knowledge worker is operating at a fraction of their cognitive capacity, the neuroscience of attention and what destroys it, the environment design that makes deep work the path of least resistance, and the practice that builds the focus muscle back.

Based on research by Newport, Goleman, Csikszentmihalyi, and Levitin.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

Nobody feels ready to lead. The ones who become great leaders start before they feel ready.

This episode distills 100 hours of research on leadership into what actually works — what separates leaders people follow from leaders people endure, the specific behaviors that build trust at scale, why emotional intelligence predicts leadership success better than IQ, and the one thing great leaders do differently in their first 90 days.

Based on research by Goleman, Collins, Brown, and Kouzes & Posner.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

Every founder is in sales. The ones who pretend otherwise are the ones who fail.

This episode distills 100 hours of research on selling into what actually works — why the best salespeople ask more than they tell, the psychology of why people buy (and why they don't), the specific framework that turns a conversation into a committed customer, and why selling feels manipulative until you understand what it actually is.

Based on research by Pink, Cialdini, Rackham, and Blount.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

You've been breathing your entire life. Almost certainly wrong.

This episode distills 100 hours of research on breathing into what actually works — why the way most people breathe is quietly undermining their health and performance, the physiological mechanism that makes breathing the only autonomic function you can consciously control, and the specific techniques used by Navy SEALs, elite athletes, and neuroscientists to instantly regulate stress, focus, and energy.

Based on research by Nestor, Weil, Porges, and Huberman.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

Every major system in your body deteriorates when you don't sleep enough. And most people don't sleep enough.

This episode distills 100 hours of research on sleep into what actually works — why sleep deprivation is as dangerous as being drunk, what actually happens in your brain during deep sleep, the habits that reliably improve sleep quality, and why the most productive thing you can do tomorrow is sleep better tonight.

Based on research by Walker, Dement, Saper, and Huberman.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing

The nutrition industry makes billions from confusion. The research is actually surprisingly clear.

This episode distills 100 hours of research on nutrition into what actually works — why most diets fail within a year, the evidence on what humans should actually eat, how ultra-processed food rewires hunger signals, and the simple framework that produces lasting results without obsession or restriction.

Based on research by Willett, Pollan, Hall, and Mozaffarian.

The full experience — book, quiz, and your own AI coach — is at www.thebrief.ing