Episode 2

full
Published on:

1st Dec 2025

Professor Dave Explains The Biggest Lies on the Internet!

In this episode, Anthony sits down with Dave Farina, better known as Professor Dave Explains, the science educator with over 4 million subscribers who has taught more chemistry students than any professor on Earth — literally.

Together, they dive deep into:

🔥 Dave’s Origin Story

  • How a touring rock drummer accidentally became one of the biggest science educators online
  • Why passive income for a struggling band turned into a global teaching mission
  • His “rock-star teacher” era and the unexpected aesthetic that shaped early O-Chem videos

📚 Building a Global Classroom

  • The moment Dave realized he was reaching millions
  • Why students prefer YouTube to textbooks
  • How he balances tutorial content with hiring PhDs to write 101-level scripts in new fields
  • What makes a video engaging instead of just accurate

⚔️ The Debunking Journey

  • The inside story of Dave’s multi-year saga with James Tour and the debate at Rice
  • How Dave identifies charlatans, grifters, and bad actors
  • His two-tiered strategy: immunize the public + neutralize misinformation at the source
  • The toll of daily online vitriol — and the rewarding messages from people who changed their minds

🦠 When Science Meets Family

  • Anthony and Dave discuss navigating misinformation at family gatherings
  • Dave’s advice for Thanksgiving dinner:
  • Ask gentle but probing questions — go full Socratic.

🌎 Hope, Fear, and the Future of Science

  • Why Dave is more pessimistic post-pandemic
  • The rise of institutionalized pseudoscience
  • A glimmer of hope: scientists finally stepping into the sci-comm arena
  • Why the next decade may determine whether truth survives online

🎶 Plus

  • Dave’s long-delayed plan for a music comeback
  • The “Simulated Sun” project
  • What he hopes will happen by 2026

Listen for free

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About the Podcast

Unknown Variables
Experts shaping our world — and the stories that shaped them.
Hosted by Dr. Anthony J. Rojas, Ph.D., an MIT-trained chemist and educator, Unknown Variables goes beyond accomplishments to explore the experiences, decisions, and defining moments behind them. Each episode features candid conversations with scientists, entrepreneurs, and innovators across disciplines — uncovering the unknown variables that drive discovery, creativity, and success. If you’re curious about how great minds think, fail, and ultimately persevere, this podcast is for you. 🎧 Listen for: Conversations with world-class experts and creators Honest stories of challenge and transformation Insights connecting science, innovation, and the human experience Subscribe and explore the unknown variables that shape our world.

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Anthony Rojas