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Understand All

Aaron Barlow

Welcome to Understand All, the podcast where curiosity leads and learning follows! I dive into everything from the secrets of the universe to untold stories from the past. Whether you’re a trivia buff, a history enthusiast, or just looking to spark some intellectual excitement, my episodes are crafted just for you. I aim to make every topic relatable and fascinating, perfect for anyone who loves to think and learn.

Join our community of curious minds! I hope to drop new episodes twice a day to keep you curious and excited! Start and end your day with a burst of knowledge by subscribing to Understand All. Let's explore the world together—one episode at a time!

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23 episodes
a few times a week
Avg 5 min
English

Episodes 23

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Thursday · 5 min
Peshtigo Fire: The Deadliest U.S. Wildfire, Overshadowed by Chicago
How did the deadliest wildfire in U.S. history become less remembered than the Great Chicago Fire that burned the same night? Explore the Peshtigo Fire’s catastrophic firestorm, uncertain death toll, and the destroyed records that helped erase its...
- Transcript
Tuesday · 4 min
Shackleton's Endurance: The Ship Sank, Everyone Survived
The Endurance sank beneath Antarctic ice, yet all 28 men aboard survived nearly 20 months of shipwreck, drifting ice, open-ocean danger, and isolation. Discover how Ernest Shackleton turned a failed 1914 Antarctic expedition into one of history’s...
- Transcript
August 20 · 10 min
Wow! Signal: The 72-Second Burst That Never Returned
In 1977, the Wow! Signal burst from deep space for 72 seconds—and then vanished, leaving behind only the cryptic sequence 6EQUJ5. Explore why this narrowband radio signal raised hopes of alien contact, how a magnetar and hydrogen cloud might offer a...
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August 18 · 9 min
Turritopsis dohrnii: The Jellyfish That Grows Young Again
An adult *Turritopsis dohrnii* can be injured or starved, then rebuild itself into its juvenile form—but is this “immortal jellyfish” truly cheating death? Explore life-cycle reversal, transdifferentiation, biological immortality, and what this tiny...
- Transcript
August 14 · 5 min
Hypatia of Alexandria: The Murder That Became a Myth
A brilliant mathematician in ancient Alexandria was murdered in public, and the story that followed became bigger than the woman herself. In this episode, we trace Hypatia of Alexandria through the historical record, the politics behind her death, and...
- Transcript
August 12 · 4 min
Mary Anning: The Fossil Hunter History Forgot
A 12-year-old on a storm-battered English coast helped prove that extinct creatures once ruled the Earth—but the scientists who used her finds often left her name out. This episode follows Mary Anning, the self-taught fossil hunter from Lyme Regis,...
- Transcript
August 10 · 5 min
Tunguska Event: The Craterless Blast Over Siberia
In 1908, something exploded over Siberia, flattened thousands of square kilometers of forest, and left no crater—so what actually hit Earth? In this episode, we unravel the Tunguska Event, the asteroid airburst mystery, the comet-vs-asteroid debate,...
- Transcript
August 7 · 3 min
Ignaz Semmelweis: The Doctor Who Proved Handwashing Saves Lives
A doctor in Vienna proved that washing hands with chlorinated lime could slash maternal death rates — and his colleagues still fought him. In this episode, we unpack Ignaz Semmelweis, childbed fever, germ theory, and the stubborn resistance that...
- Transcript
August 5 · 4 min
Great Molasses Flood of 1919: The 25-Foot Syrup Wave That Killed 21
How does a tank full of molasses turn into a 25-foot wave that kills 21 people in Boston? In this episode, we unpack the Great Molasses Flood of 1919, the engineering failure, the science of sticky fluid dynamics, and the disaster’s lasting impact on...
- Transcript
August 3 · 5 min
Wojtek the Soldier Bear: The Bear on the Army Roster
How did a bear end up on a WWII army roster—and why did Polish soldiers in exile give him a rank? This episode follows Wojtek the Soldier Bear from Iran to Monte Cassino and Edinburgh Zoo, uncovering the real story behind the Free Polish Army, the...
- Transcript
July 31 · 5 min
Business Plot: The Alleged Coup to Oust FDR
What if a decorated Marine was quietly approached to front a plan to pressure Franklin D. Roosevelt out of power? In this episode, we dig into the Business Plot, the alleged 1933 coup attempt, the veterans’ movement, the money, the testimony, and why...
- Transcript
July 29 · 7 min
Cymothoa exigua: The Tongue-Eating Parasite That Becomes the Tongue
What kind of parasite eats a fish’s tongue and then stays behind as the tongue? In this episode, we unpack Cymothoa exigua, the tongue-eating parasite, how it gets into fish through the gills, why the host can often keep feeding, and what this bizarre...
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July 27 · 4 min
Encephalitis lethargica: The Sleeping Epidemic That Vanished
A real epidemic once left people trapped in a strange half-awake state, sometimes frozen in place, and then seemed to disappear before doctors could fully explain it. In this episode on encephalitis lethargica, the sleeping sickness epidemic, we trace...
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July 24 · 3 min
Bal des Ardents: The Masked Ball That Nearly Burned the King
One torch, one masked costume, and a royal ball in 1393 nearly ended with the King of France burning alive. In this episode, we unpack the Bal des Ardents, Charles VI, medieval Paris, and the fire that turned a court celebration into a political...
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July 22 · 6 min
Fritz Haber: Feeding Billions, Fueling Chemical War
One chemist helped turn air into fertilizer for billions of people — and then helped turn the same science toward poison gas. In this episode, we unravel Fritz Haber, the Haber-Bosch process, the rise of synthetic ammonia, and the grim birth of...
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July 20 · 6 min
Yasuke: Samurai, Bodyguard, or Legend?
An African man in Oda Nobunaga’s Japan became one of history’s most debated figures: Yasuke, the so-called Black samurai, bodyguard, or something in between. In this episode, we trace the real Yasuke through 16th-century Japan, Jesuit missions, and...
- Transcript
July 17 · 3 min
Bass Reeves: The Real Lone Ranger?
What if the most famous masked lawman in American folklore had a real-life predecessor — and he was a formerly enslaved deputy U.S. marshal named Bass Reeves? In this episode, we unpack the Bass Reeves story, the 3,000-arrest legend, and the evidence...
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July 15 · 4 min
Robert Smalls: The Enslaved Pilot Who Seized a Warship
An enslaved pilot in Charleston Harbor stole a Confederate warship, passed armed forts, and sailed his family to freedom in plain sight. In this episode, we follow Robert Smalls’s escape, the Civil War intelligence he delivered to the Union, and the...
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July 13 · 4 min
Krakatoa, 1883: The Eruption Heard 3,000 Miles Away
A volcanic eruption in 1883 was heard 3,000 miles away—and that was only the first strange thing Krakatoa did. In this episode, we follow the Krakatoa eruption, the tsunamis, the atmospheric pressure wave, and the global climate effects that turned...
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July 10 · 4 min
Carrington Event: The Solar Storm That Could Blackout the Grid
In 1859, a solar storm known as the Carrington Event sent telegraph wires sparking and set the stage for the biggest “what if” in space weather history. In this episode, we explore how a repeat Carrington Event could threaten the modern grid, power...
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