SIGNIFICANT.

SIGNIFICANT.

Where "what if" meets "what is." Significant talks about pivotal ideas shaping our world: blending science, history, and culture with an eye on the future. Hosted by polymath/neurologist Dr. David Filippi, each episode explores the stories behind game-changing discoveries, technologies, and thinkers, from consciousness to concussions and beyond. Join us as we unravel the mysteries of the past, present, and future. Learn more at https://significant-podcast.com.

Episodes

May 13, 2025 60 mins

In this pivotal episode of Significant, Dr. David Filippi confronts the existential stakes of AI alignment with his signature blend of scientific rigor, philosophical depth, and personal insight. Drawing on everything from the Chicxulub impact to the fragile humanity of a child’s laughter, he asks the most urgent question of our time: What if we build a superintelligence that doesn’t love our children? 

This is the hinge of the seas...

Mark as Played

The only human skill that matters now is AI collaboration.

Look at the timeline:

  • Neurology mastery – 26 years.
  • Launching a podcast – 6 months.
  • Writing & producing a country album – 1 month.
  • Building a full-stack AI-driven iOS app – 18 hours.


The difference? Superintelligent AI.

In this episode, we break down:


🚀 What intelligence really means, from psychometrics to AI self-assessments.
🚀 Why AI isn’t just passing benchmarks—it...

Mark as Played
February 16, 2025 61 mins

Communication isn’t just words—it’s connection. This episode starts with a blue jay who taught me a lesson in language, moves through my autistic son’s search for a voice, explores science’s efforts to talk to animals, and stretches all the way to messages we’ve sent to the stars.

From backyards to deep space, who—or what—is really listening?

This one’s personal.

Mark as Played

Join your intrepid guide, Dr. David Filippi, on a deep dive - literally - into the Cenotes of the Yucatán. In this episode, we explore the geological origins of these breathtaking natural wonders, shaped by the cataclysmic Chicxulub impact 66 million years ago. Learn how blind cavefish have evolved extraordinary adaptations to thrive in their resource-scarce, lightless underwater worlds, and discover how these ecosystems mirror cha...

Mark as Played
December 29, 2024 42 mins

How does the brain construct our sense of self—and what happens when it breaks apart? Come along for the ride as Dr. David Filippi delves into haunting case histories: from the phenomenon of alien hand syndrome to the story of Lev Zasetsky - The Man with a Shattered World - a man lost in a world his mind could no longer piece together.

Along the way, we explore groundbreaking insights from neuroscience and ask: What can these stor...

Mark as Played

In this episode of ⁠⁠SIGNIFICANT⁠⁠, Dr. David S. Filippi examines three pivotal moments where science and industry intersected to reshape the world. Discover the story of Fritz Haber, Carl Bosch, and the Kaiser-Wilhelm-Institut, whose groundbreaking ammonia synthesis revolutionized agriculture but fueled global conflict. Explore the life-saving discovery of penicillin and the extraordinary network of scientists and industrialists w...

Mark as Played

In this episode of ⁠SIGNIFICANT⁠, we explore two astonishing tales where science and industry collided – with world-altering consequences. First, the untold story of how Pemex geologist Glen Penfield uncovered clues to the Chicxulub impact crater decades before its role in the extinction of the dinosaurs was recognized—a discovery delayed by corporate priorities and scientific blind spots. Then, we delve into the legacy of Thomas M...

Mark as Played

Dr. David S. Filippi pulls back the curtain on the NFL’s concussion crisis, where science, personal tragedy, and cultural shifts collide. Discover the hidden toll on players and the groundbreaking research shaping football’s future. Tune in for a powerful look at the stakes, the stories, and the path forward. Catch more at significant-podcast.com.

Mark as Played
November 3, 2024 46 mins

Join Dr. David S. Filippi as he explores the cutting-edge science of GLP-1 agonists—medications originally designed for diabetes but now revolutionizing weight management. From the intricate brain pathways that regulate hunger to the real-world health impacts of obesity, discover why GLP-1 agonists like semaglutide and tirzepatide are being hailed as game-changers. Visit significant-podcast.com for more insights and episodes.

Mark as Played

Popular Podcasts

    Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

    Stuff You Should Know

    If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.

    Math & Magic: Stories from the Frontiers of Marketing with Bob Pittman

    How do the smartest marketers and business entrepreneurs cut through the noise? And how do they manage to do it again and again? It's a combination of math—the strategy and analytics—and magic, the creative spark. Join iHeartMedia Chairman and CEO Bob Pittman as he analyzes the Math and Magic of marketing—sitting down with today's most gifted disruptors and compelling storytellers.

    Betrayal Season 5

    Saskia Inwood woke up one morning, knowing her life would never be the same. The night before, she learned the unimaginable – that the husband she knew in the light of day was a different person after dark. This season unpacks Saskia’s discovery of her husband’s secret life and her fight to bring him to justice. Along the way, we expose a crime that is just coming to light. This is also a story about the myth of the “perfect victim:” who gets believed, who gets doubted, and why. We follow Saskia as she works to reclaim her body, her voice, and her life. If you would like to reach out to the Betrayal Team, email us at betrayalpod@gmail.com. Follow us on Instagram @betrayalpod and @glasspodcasts. Please join our Substack for additional exclusive content, curated book recommendations, and community discussions. Sign up FREE by clicking this link Beyond Betrayal Substack. Join our community dedicated to truth, resilience, and healing. Your voice matters! Be a part of our Betrayal journey on Substack.

    The Dan Bongino Show

    The Dan Bongino Show delivers no-nonsense analysis of the day’s most important political and cultural stories. Hosted by the former Deputy Director of the FBI, former Secret Service agent, NYPD officer, and bestselling author Dan Bongino, the show cuts through media spin with facts, accountability, and unapologetic conviction. Whether it’s exposing government overreach, defending constitutional freedoms, or connecting the dots the mainstream media ignores, The Dan Bongino Show provides in-depth analysis of the issues shaping America today. Each episode features sharp commentary, deep dives into breaking news, and behind-the-scenes insight you won’t hear anywhere else. Apple: https://podcasts.apple.com/us/podcast/the-dan-bongino-show/id965293227?mt=2 Spotify: https://open.spotify.com/show/4sftHO603JaFqpuQBEZReL?si=PBlx46DyS5KxCuCXMOrQvw Rumble: https://rumble.com/c/bongino?e9s=src_v1_sa%2Csrc_v4_sa_o

Advertise With Us
Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2026 iHeartMedia, Inc.