Rephonic
Artwork for What The If?
Evolution
NASA
Gravity
Earth
Face Blindness
Eclipse
Thought Experiments
Science Education
Mars
Artificial Intelligence
Solar Eclipse
Slime Defense Mechanism
Climate Change
Super Recognition
Science Communication
Jupiter
Physics
Hagfish
Fungi
Ants

Learn how to think like EINSTEIN! Every week we learn science running imaginative thought experiments. Our brilliant guests are some of the world’s greatest science fiction writers, scientists & science communicators. Leap into a journey to answer the most fascinating question in the universe: What The IF?

PublishesWeeklyEpisodes449Founded9 years ago
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Science

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Artwork for What The If?

Latest Episodes

Behind every voice you've come to love on this show is a life full of stories you've never heard. With our eighth anniversary just around the corner, we're doing something we've never done: each of us takes a turn in the guest's chair to answer all t... more

Listener Kevin Towers asks: what the if the internet made everyone use their real, traceable name? No usernames. No masks. No hiding behind a clever handle at 2am. In this universe, every comment you fire off comes permanently stapled to your actual ... more

What the if Lamarck was right? Stanford historian Jessica Riskin, author of "The Power of Life," is our guide into a universe where living things aren't passive passengers waiting for evolution to happen to them, but the active architects of their ow... more

What the if you were born on the Moon and Earth was the alien planet? Picking up from last month's cliffhanger, our travelers from the lunar surface finally touch down — and nothing about this place is what they expected. There's some physics, some b... more

Key Facts

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Recent Guests

Kevin Towers
Listener who submitted the idea for the episode
Episode: TOO SOCIAL Media!
Jessica Riskin
Francis and Charles Field Professor of History at Stanford University; historian of evolutionary thought
Stanford University
Episode: The Other Theory of EVOLUTION!
Helina Alemayehu
Oil and gas industry professional, energy geosciences background
Independent / UK energy sector
Episode: The Last DROP Of Gasoline!
Danny Bate
Linguist, writer, public speaker, and broadcaster; author of Why Does Q Need U?
Linguist and author
Episode: Build A Brand New ALPHABET - with Linguist DANNY BATE!
Ethan Rappaport
Theoretical ecologist at the University of Maryland College Park
University of Maryland College Park
Episode: Microbe Grudge Match!
Gaby Paniccia
Harvard University researcher on assignment
Harvard University
Episode: Reality Is Making Stuff UP!
Matt Stanley
Professor at New York University
New York University
Episode: Ants Adopt A CATERPILLAR!
David Kaiser
Professor of Physics and History of Science at MIT
MIT
Episode: Black Holes
Dr. Kirby Runyon
Planetary geologist focused on surface geology, known as the Space Guy and involved in NASA's New Horizons mission.
Planetary Science Institute
Episode: CITIZEN Science -- with Kirby Runyon!

Hosts

Philip Shane
Host of the show; documentary filmmaker; self-hosted podcast (What The If?)
Matthew Stanley
Co-host and historian of science; guest with expertise in physics and theoretical ecology

Reviews

4.6 out of 5 stars from 107 ratings
  • Cheap and lazy

    The use of AI generated slop for a podcast that evidently has the financial backing to pay artists is both insulting and genuinely just really cheap.

    Do better. This stinks

    Apple Podcasts
    1
    glytxh
    United Kingdom9 months ago
  • Great show

    I enjoy this show. There’s always something I learn when I listen to it.

    Apple Podcasts
    5
    Reavis Creavis
    United States5 years ago
  • Entertaining and educational!

    This podcast is a fun way to explore alternate realities using scientific reasoning. I love how it opens the mind to new and intriguing scenarios. I can’t wait to listen to all the episodes! Great podcast! Thanks for putting this together!

    Apple Podcasts
    5
    Flash-no-More
    Canada5 years ago
  • Great fodder for the brain…

    …when Philip Shane and Prof. Matt Stanley delve into one of their scientific / technological / cultural ”what the ifs”. The best that I know the responses from Matt Stanley are mainly improvised on the spot (which gave me a weird tangent, as the voice of Matt sounds very similar to the know-it-all droid C-53 from Mission-to-Zyxx, an equally improvised, albeit fully fictional, great podcast)

    Apple Podcasts
    5
    MooseMeister
    Germany5 years ago
  • Super fun!

    Podcast Addict
    5
    PlumberDan
    6 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Smart, playful science storytelling that makes complex ideas accessible.
Great mix of deep science and engaging humor; guests ground speculative discussions.
Audience engagement and host chemistry are standout strengths.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#171
South Africa/Science

Talking Points

Recent interactions between the hosts and their guests.

Ants Adopt A CATERPILLAR!
Q: What safety protocols would people need to adhere to?
The discussion emphasizes practical safety: be fast or clever when tiny, mimic ant signals, and avoid detection to survive inside the nest; it frames safety as a set of rules for a fictional scenario.
Ants Adopt A CATERPILLAR!
Q: What are they about to experience?
They are about to experience a guided thought experiment where shrinking, mimicking ants, and navigating an ant colony are explored with a blend of biology and imaginative storytelling.
Reality Is Making Stuff UP!
Q: What is the basic idea behind the uncertainty principle and how does it relate to measuring particles?
It relates to a fundamental trade-off between knowing where a particle is and where it's going; attempting to measure one property precisely increases uncertainty in the other, and this trade-off underpins how we understand quantum systems.
Black Holes
Q: Why are primordial black holes considered as a potential explanation for the Tunguska Explosion?
Primordial black holes were suggested as candidates because they could cause significant energy release without leaving debris, making them a fitting explanation for the unexplained damage in the Tunguska incident.
Black Holes
Q: What would these microscopic black holes look like?
These tiny black holes would be so small that they wouldn't form an accretion disk and would be undetectable like larger black holes; they interact through gravity but not in the visual ways we see with supermassive black holes.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
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Frequently Asked Questions About What The If?

What is What The If? about and what kind of topics does it cover?

This show blends science, thought experiments, and accessible storytelling to explore how scientific ideas could play out in imaginative scenarios. Episodes range from evolution, space biology, and physics to language, ecology, and technology, often inviting researchers or lecturers to ground playful hypotheticals in real science. A standout pattern is the lively banter between a documentary filmmaker host and a science historian/physicist co-host, plus a rotating roster of expert guests who illuminate complex topics with clarity and humor. The format and guest mix make it especially appealing to curious listeners who enjoy learning through creative “what if” experiments and real-world context, without sacrificing entertaining storytelling.... more

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How many episodes of What The If? are there?

What The If? launched 9 years ago and published 449 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 What The If??

Recent guests on What The If? include:

1. Kevin Towers
2. Jessica Riskin
3. Helina Alemayehu
4. Danny Bate
5. Ethan Rappaport
6. Gaby Paniccia
7. Matt Stanley
8. David Kaiser

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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