🎧 Flat Earth, Conspiracies & How Our Brain Tricks Us (Part 2)

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Sources

YouGov, 2018. Most flat earthers consider themselves very religious

Psychology of conspiratorial mind study:
Bowes, Shauna & Costello, Thomas & Tasimi, Arber. (2023). The Conspiratorial Mind: A Meta-Analytic Review of Motivational and Personological Correlates. Psychological Bulletin. 149. 259-293. 10.1037/bul0000392.

The Conspiratorial Mind: A Meta-Analytic Review of Motivational and Personological Correlates

YouTube video of Professor Dave Explains: https://youtu.be/h0H-amOti_o?si=yxxwBDu1gpLw-g8Z

"You are not so smart" Podcast episode 299 - Debunkbot: https://open.spotify.com/episode/6aWubjGqJeWXAXZXy831eR?si=YCvR0xYITFKkAPP90X92rw

Debunkbot study:

Thomas H. Costello et al. ,Durably reducing conspiracy beliefs through dialogues with AI.Science385,eadq1814(2024).DOI:10.1126/science.adq1814
Durably reducing conspiracy beliefs through dialogues with AI | Science

Debunkbot: DebunkBot | Conspiracies

In Part 2 of What on Earth, we move beyond Flat Earth itself and into something even more fascinating: how our brain works - and why conspiracy theories can feel so convincing.

We start with a simple but uncomfortable idea: could anyone fall for conspiracy thinking? From there, we explore the psychology behind it - and what makes certain explanations so appealing, even when they don’t hold up scientifically.

We talk about cognitive biases like confirmation bias and the Dunning–Kruger effect, and how confidence can sometimes be mistaken for expertise. Along the way, we break down how scientific thinking actually works - from observations and hypotheses to experiments and theories - and why evidence matters more than intuition.

We also touch on an important nuance: not every conspiracy is false. History has shown us real examples that were later confirmed. But the key difference is evidence - and how we evaluate it.

This episode is part psychology, part science, and part understanding how we make sense of the world - especially when things feel uncertain or complex.

So grab your favorite mug ☕ (we definitely did), and join us as we unpack how belief, bias, and evidence collide.

🎙️ Listen now on Spotify or wherever you get your podcasts
✨ Stay curious and keep asking yourself… What on Earth?!

Flat Earth, Conspiracies & the Science of Belief

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In this episode of What on Earth, we take on one of the most persistent and fascinating conspiracy theories out there: Flat Earth.

We start with a simple question: what on Earth makes people believe the Earth is flat?

We explore how long humanity has known that Earth is a sphere, from ancient Greek observations to early measurements of Earth’s circumference, and why, despite this, Flat Earth ideas still exist today. It turns out the story isn’t just about science, but about trust, perception, and how we process information.

This episode is part science, and part navigating the strange (and sometimes entertaining) ways we try to make sense of reality.

So grab your favorite mug - we definitely did - and join us for a deep dive into facts, beliefs, and everything in between.

Stay curious and keep asking yourself… What on Earth?!

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In this episode of What On Earth?!, we’re diving into geological time. This is Part 1.

Ever wondered how scientists make sense of 4.6 billion years of Earth history? How do you even begin to divide that into something understandable? And why do some chapters of Earth’s past end so dramatically?

We’re going all the way back to the Precambrian and the Paleozoic, a time when Earth was a very different place.

We start in the Precambrian, where life is tiny, the atmosphere is changing, and the planet is still forming into the layered, dynamic system we know today. Think rising oxygen, shifting supercontinents, and even moments where ice may have covered almost the entire globe.

Then we move into the Paleozoic, where life really starts to get interesting. Oceans fill with bizarre creatures, early fish begin to appear, and for the first time ever, life starts making the move onto land. Plants, insects, and eventually vertebrates begin exploring a completely new world.

Along the way, we touch on moving continents, changing climates, and the big events that shape life on Earth, including one of the most dramatic mass extinctions in our planet’s history.

If you like big stories, strange lifeforms, and understanding how our planet became what it is today, this episode is for you.

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In part two of our conversation with Dr. Melanie Stammler, we zoom out to the bigger picture: why rock glaciers matter in a warming world. We explore how these debris–ice landforms, characteristic of periglacial mountain regions, respond to climate change and what their movement and surface changes can tell us about permafrost and water systems. Along the way, we also talk about the realities of academic life, from doctoral research and international collaborations to building a career in geomorphology and environmental systems. It’s a thoughtful discussion about science, climate, and the human side of research.

Do you want to find out more about Dr. Melanie Stammler and her research? Visit this link: https://www.geographie.uni-bonn.de/de/forschung/arbeitsgruppen/ag-schrott/team/melanie-stammler

Or follow her on Linked In: https://www.linkedin.com/in/melanie-stammler-809020a5/

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What is it like to study rock glaciers high in the Andes? In this episode of What On Earth?!, we talk with Dr. Melanie Stammler about her research on rock glacier dynamics and permafrost landscapes in the Dry Andes of Argentina. She explains how scientists use field measurements, drones, and photogrammetry to track how these slow-moving landforms change over time, and what it’s really like to do fieldwork in remote, high-altitude environments. From logistics and harsh conditions to the excitement of collecting data in the mountains, this episode offers a behind-the-scenes look at real geomorphological research in action. As the first guest on the show we could not be happier that Melanie wanted to join. We hope to see much more of her in the future.

Do you want to find out more about Dr. Melanie Stammler and her research? Visit this link: https://www.geographie.uni-bonn.de/de/forschung/arbeitsgruppen/ag-schrott/team/melanie-stammler

Or follow her on Linked In: https://www.linkedin.com/in/melanie-stammler-809020a5/

If you want to see the photos Tika is describing in this episode, visit our IG page:

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In Part 3 of Episode 4 of What on Earth, we travel beyond the rocky worlds and venture into the outer Solar System - home of the giants: Jupiter, Saturn, Uranus, and Neptune.

We begin with Jupiter, the largest planet in our Solar System. A world of swirling cloud bands, intense magnetic fields, and the iconic Great Red Spot, a storm that has been raging for centuries. We also explore its Galilean moons, from volcanic Io to ocean-bearing Europa, revealing that Jupiter is not just a planet, but an entire system of moons.

From there, we move to Saturn, the ringed giant. Famous for its breathtaking ring system, Saturn also hosts some of the most fascinating moons in the Solar System, including Enceladus, with its water plumes, and the strikingly two-toned Iapetus.

Then we tilt our perspective toward Uranus, the planet that rotates on its side. With its pale blue colour, faint rings, and dramatic seasonal extremes, Uranus challenges our understanding of planetary formation. We also take a closer look at Miranda and its enormous cliffs.

Finally, we reach Neptune, deep blue, distant, and dynamic. With the fastest winds in the Solar System and the mysterious Great Dark Spot, Neptune proves that even the outermost giant worlds are anything but quiet.

By the end of this series, you’ll be able to look up at the night sky and recognise our planetary neighbours with confidence, no longer distant mysteries, but familiar worlds you understand.

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In Part 2 of Episode 4 of What on Earth, we leave the Sun behind and begin our journey through the Solar System. Starting with the rocky planets of the inner Solar System: Mercury, Venus, Earth, and Mars.

Our first stop is Mercury, a small planet with a disproportionately large metal core, an ancient, heavily cratered surface, and chemistry that still challenges planetary formation models. From there, we move outward to Venus, Earth’s so-called sister planet, where vast volcanic landscapes and a runaway greenhouse effect reveal how dramatically planetary evolution can diverge even between similar-sized worlds.

Back home, we briefly touch on Earth and its unusually large Moon, active plate tectonics, magnetic field, and the unique presence of liquid water and life, features that make our planet stand out among the rocky worlds.

Finally, we arrive at Mars: a planet of extremes. From the massive canyon system of Valles Marineris and the towering Olympus Mons to its tiny moons Phobos and Deimos, Mars tells a story of a thinning atmosphere, and ancient river systems. We also discuss recent discoveries that hint at possible biosignatures, not proof of life, but some of the most intriguing clues yet.

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In our fourth episode of What on Earth, we zoom way out - from rocks beneath our feet to the vast, dynamic system we call home: the Solar System.

We start with a deceptively simple question: what on Earth is the Solar System? From there, we unpack what actually defines it - not just planets orbiting the Sun, but a complex, evolving system shaped by gravity, heat, collisions, and time.

We talk about where our knowledge of the Solar System comes from: meteorites as time capsules of early planetary material, the Moon as a natural laboratory, telescopes on Earth and in space, and numerical models that let us replay cosmic chaos. It turns out we don’t need to travel everywhere to understand space -sometimes the clues fall right into our hands.

From there, we dive into how the Sun was born inside a stellar nursery, how protoplanetary disks form, and why the Solar System ended up so clearly divided into rocky inner planets and distant gas and ice giants. Temperature gradients, collisions, and violent early conditions play a much bigger role than peaceful orbits might suggest.

We also explore our Sun itself: what kind of star it is, how it produces energy, why it has layers like an onion (or an ogre), and how solar activity - from sunspots to solar wind - shapes the space far beyond the planets. Along the way, we follow the solar wind all the way to the edge of the Sun’s influence, where spacecraft like Voyager have shown us just how big our cosmic neighbourhood really is.