What The If?

Apr 11 2025 396 ep. 49 mins 616
What The If? Podcast artwork

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?

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Humanity On All FOURS!

Apr 11 2025 49 mins  
What if humans never stood upright and remained quadrupeds? Our world would transform into a society where everything is built low to the ground. Imagine shopping carts you push with your face, stadiums with no chairs where everyone sits like animals, and the social awkwardness of having your posterior constantly on display. The loss of our hands would dramatically impact agricultu

PHYSICS Changes Its MIND!

Apr 08 2025 58 mins  
What if the fundamental forces of nature could change with time? Step into a universe where gravity might send you floating to the ceiling one morning, your coffee maker stops working as electricity changes its rules, and your very atoms could suddenly decide to explode. From your nervous system running on unpredictable electrical currents to the strong nuclear force taking a day o

Microgravity MOVIE Making!

Mar 31 2025 43 mins  
What if filmmakers took their cameras to space? Prepare for a world of zero-G cinematography! From weather-sealed cameras designed to handle unexpected astronaut vomit to the perpetual hum of life-support systems ruining your audio, documentary filmmaking in orbit presents unique challenges. Discover why the International Space Station's lighting is "just awful," how playing a guit

OLYMPICS Of The Solar System! (Encore)

Mar 13 2025 48 mins  
Note from Philip: Matt and Gaby are both on assignment this week, so we proudly present an encore of one of our most popular episodes ever. ——— We welcome our newest Patreon supporter, Martin from Frankfurt, Germany! Inspired by the Paris Olympics which open today, we imagine Olympic events spread across the solar system in the year 3024! High jumps on the Moon, luge race

2025-03-07 A World Without WINGS!

Mar 05 2025 41 mins  
In a world where no creature ever evolved wings, island ecosystems would be barren wastelands, Darwin might never have filled his bathtub with broccoli, and wars might be less explosive due to the absence of bird guano for making gunpowder. Explore an Earth where dragonflies never buzzed, butterflies never fluttered, and humans might have focused exclusively on land speed instead o

American BRAIN DRAIN: Beyond The IF!

Feb 23 2025 19 mins  
We're sharing our bonus show this week that is usually available only to our Patreon supporters. This week's Beyond the IF continues our sobering discussion about the rapidly deteriorating state of science funding in America. The conversation took us deeper into the real-world impacts we're already seeing - from major universities canceling all graduate admissions to a student who

American BRAIN DRAIN

Feb 23 2025 55 mins  
The current US Administration's sudden gutting of science funding is creating an unprecedented crisis. Scientists are waking up to find themselves unemployed, as anonymous officials pull the plug on research programs with no warning or debate. This episode examines the immediate fallout as laboratory freezers shut down, irreplaceable samples are lost, and researchers scramble to pr

NONSTOP Meteor Madness!

Feb 15 2025 54 mins  
Picture a world where meteor showers aren't just annual events - they're a constant barrage of cosmic debris raining down from above. From sonic booms that make sleep impossible to the challenges of titanium umbrella manufacturing, explore how humanity might cope with endless celestial bombardment. Discover why the moon's pockmarked surface could become Earth's new normal, why your

The Great GARBAGE Apocalypse!

Feb 09 2025 49 mins  
Imagine a world where garbage grows faster than we can handle it. From towering mountains of trash transforming Central Park into a burn pit, to fashionable gas masks becoming the next big trend, to super-sized Pizza Rats dragging entire pies down subway stairs - Matt touches on what happens when our waste production spirals out of control. Discover the fascinating science behind N

Nobody POOPS!

Feb 06 2025 53 mins  
What if humans only needed to poop twice a year? Listener Randy Woods sent in this fascinating question that explores everything from subway systems suddenly smelling fresher to plumbers planning career changes in a world where human waste becomes a rare event. Dive into the fascinating science of gut microbiomes, learn why having "zero waste" might wreak havoc on Earth's ecosystem