Rephonic
Artwork for Free Radicals
Aging
Longevity
Biotechnology
Epigenetic Reprogramming
Healthspan
Cell Therapy
Biotech
Dr. Alex Colville
Stanford University
CRISPR
Artificial Intelligence
Il-11
Tissue Engineering
DNA Damage
Calico
Impetus Grants
Drug Discovery
Sirna
Consciousness
Longevity Medicine

Interviewing visionaries dedicated to giving humanity control over biology. All problems are solvable, including aging and death.

PublishesWeeklyEpisodes21Founded7 months ago
Number of ListenersCategories
Life SciencesScience

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Artwork for Free Radicals

Latest Episodes

Dr. James Peyer is founder and CEO of Cambrian Bio. James has spent two decades working to bring the first longevity drug to market. In this time, he’s brought over $500M into the field as a whole, and now has multiple drugs in clinical trials that c... more

Nathan Cheng is an activist who has dedicated his life and career to defeating aging and death. After going through an existential crisis and dropping out of a Physics PhD, Nathan discovered the longevity movement and became one of the most prolific ... more

Today’s guest is Kexin Huang. Kexin recently raised $13.5M from Andreessen Horowitz and Menlo Ventures in partnership with Anthropic, to build Phylo - a research lab studying agentic biology. Phylo’s first product is Biomni, the world’s first open so... more

Two young Harvard professors are coming for the supplements industry. Dr. Jonathan Gootenberg and Dr. Omar Abudayyeh run a joint lab at Harvard Medical School, have co-founded 4 biotechs, and raised over $300M to develop genetic medicines and diagnos... more

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Recent Guests

Nathan Cheng
Longevity activist and founder involved in Longevity Biotech Fellowship and Vitalism Foundation
Longevity Movement
Episode: Aging kills EVERYONE, but only because we're not trying hard enough - Longevity Activist Nathan Cheng
Kexin Huang
Founder/CEO of Phylo
Phylo
Episode: The one-man biotech is only 10 years away - a16z-backed founder Kexin Huang
Jonathan Gootenberg
Guest scientist, Harvard Medical School; pioneer in programmable biology
Harvard Medical School
Episode: These 30-something Harvard Professors are making biology programmable - AbuGoot Lab
Omar Abudayyeh
Guest scientist, Harvard Medical School; pioneer in programmable biology
Harvard Medical School
Episode: These 30-something Harvard Professors are making biology programmable - AbuGoot Lab
Dylan Livingston
Founder of the Alliance for Longevity Initiatives (A4LI)
Alliance for Longevity Initiatives (A4LI)
Episode: Longevity politics with the Forbes 30U30 lobbyist changing DC - Dylan Livingston, A4LI
Michael Ringel
Chief Operating Officer at Life Biosciences, former MD/SDP at Boston Consulting Group
Life Biosciences; Hevolution Foundation; American Federation for Aging Research
Episode: Ex-BCG leader & David Sinclair’s COO on why evolution selected for aging, and how to get big pharma to invest into longevity therapies - Michael Ringel
Jose Luis Ricón Fernández de la Puente
Author of the blog Nintil; Head of Theory at Retro Biosciences
Retro Biosciences
Episode: Longevity science & philosophy with the blogger leading theory at Sam Altman’s $1B+ startup - Jose, Author Nintil & Head of Theory at Retro
Rico Meinl
Head of Applied AI at Retro Biosciences
Retro Biosciences
Episode: Inside the AI used by Sam Altman’s $1B+ longevity startup - Rico Meinl, Head of Applied AI at Retro Bio
Christopher Bradley
CEO of Matter Bio
Matter Bio
Episode: Why DNA Damage is Central to Aging — Christopher Bradley, CEO of Matter Bio

Hosts

Daniel Schur
Host of Free Radicals Podcast
Eric Dai
Co-host of Free Radicals Podcast

Reviews

5.0 out of 5 stars from 16 ratings
  • Very high signal

    The hosts do a lot of research and ask great questions. Excellent lineup of guests too. Taking a lot of notes!

    Apple Podcasts
    5
    BCBC DNG
    United States4 months ago
  • A must listen

    These guys are seriously smart, ask great questions, and pick excellent guests. Also just a great dose of optimism in an often cloudy world— highly recommend!!

    Apple Podcasts
    5
    Shhhgnkuev
    United States6 months ago

Listeners Say

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Guests are top-notch and questions are sharp.
The show is highly researched with excellent guests.
Listeners praise the thoughtful, optimistic approach to tough topics.

Chart Rankings

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Talking Points

Recent interactions between the hosts and their guests.

These 30-something Harvard Professors are making biology programmable - AbuGoot Lab
Q: How do virtual cells and world models accelerate drug development and consumer health products?
By embedding multi-omics and behavioral data into AI-driven models, we can run in silico screens and virtual trials to compress timelines, prioritize interventions, and reveal new product opportunities in both pharma and consumer wellness spaces.
These 30-something Harvard Professors are making biology programmable - AbuGoot Lab
Q: Why is aging discussed as a target for intervention, and how do you frame its measurement?
Aging is a systems-level driver of many diseases; we measure it with a panel of biomarkers, including proteomics and epigenetic clocks, and focus on readouts that reflect functional health like sleep, muscle, and cognitive performance to guide trials.
These 30-something Harvard Professors are making biology programmable - AbuGoot Lab
Q: What does it mean to program biology like a computer, and how does that guide your lab work?
It means designing biological systems with reproducible, predictable models and leveraging data and AI to simulate and optimize outcomes across molecular to human scales, enabling faster development of interventions.
Ex-BCG leader & David Sinclair’s COO on why evolution selected for aging, and how to get big pharma to invest into longevity therapies - Michael Ringel
Q: What is the core argument in Ringel's Why We Age paper and how does it relate to potential interventions?
The paper argues aging results from evolutionary optimization, not a fixed inevitability, and that aging is a regulated, malleable process. This framework supports pursuing interventions that tap into the regulatory networks (like nutrient-sensing and epigenetic mechanisms) to influence lifespan and healthspan.
Longevity politics with the Forbes 30U30 lobbyist changing DC - Dylan Livingston, A4LI
Q: How has congressional engagement evolved since you started, and what makes a legislator care about longevity?
Legislators are broadly supportive, but the key is follow-up and scale: building a network of advocates across districts, running a bipartisan caucus, and showing tangible outputs like funding and bills. Messaging that ties longevity to fiscal savings and military readiness helps cross partisan lines.

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Frequently Asked Questions About Free Radicals

What is Free Radicals about and what kind of topics does it cover?

This show centers on bold science and policy-driven conversations about biology, longevity, and aging, featuring guests who are researchers, biotech founders, and investors pushing practical paths to extending healthy life. Episodes frequently explore aging biology, programmable biology, AI in biotech, and the ecosystem needed to accelerate breakthroughs—from funding and regulation to ethics and public perception. A notable throughline is building communities, translating lab progress into real-world applications, and debating the societal implications of longevity research. Listeners can expect rigorous questions, deep dives into cutting-edge biology, and actionable takeaways for researchers, founders, or sponsors seeking to engage with a ... more

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1. Core Memory
2. Conversations with Tyler
3. All-In with Chamath, Jason, Sacks & Friedberg
4. Invest Like the Best with Patrick O'Shaughnessy
5. Training Data

How many episodes of Free Radicals are there?

Free Radicals launched 7 months ago and published 21 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Free Radicals?

Recent guests on Free Radicals include:

1. Nathan Cheng
2. Kexin Huang
3. Jonathan Gootenberg
4. Omar Abudayyeh
5. Dylan Livingston
6. Michael Ringel
7. Jose Luis Ricón Fernández de la Puente
8. Rico Meinl

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