Explore Capsules
32 capsules

The Library of Alexandria: Fire, Decline, and Historical Evidence
The famous image of the ancient world's greatest library vanishing in one dramatic blaze makes a great story, and that is part of the problem. These myths differ on what really happened: a single catastrophic fire, or a slow suffocation over centuries by politics, neglect, and shrinking money. Set them side by side and you can decide which version the historical evidence actually supports.

Vikings Beyond the Raider Myth: Farms, Burials, and Trade
The fearsome raider is the Viking everyone knows, and the one the evidence supports least. These claims differ on what best reveals the real picture: excavated farmsteads and trading hubs, DNA and burial analysis that upend warrior and gender stereotypes, or artifacts pointing to vast trade networks. Together they let you decide how much of the raider legend survives contact with what Vikings actually left behind.

The Great Wall from Space: Vision, Testimony, and Myth
The claim that the Great Wall is visible from orbit survives in textbooks and trivia nights despite astronauts saying otherwise. The arguments here approach the myth from different angles: the physics of human eyesight, firsthand astronaut testimony, the role of cameras and optical aids, and why comfortable falsehoods outlive clear corrections. It becomes a lesson in how to test what everyone knows.

A Critical Thinker's Guide to Faulty Arguments and Persuasion
Faulty arguments often succeed because they blend flawed reasoning with persuasive force. This guide explains how to recognize common argumentative moves, distinguish logical defects from contextual judgments, and understand why persuasion is not always governed by formal logic alone. Readers will learn to identify weak reasoning in real conversations and respond with clarity and control.

Astrology and Evidence: Testing, Bias, and Self-Reflection
Astrology keeps failing rigorous tests of predictive power, yet millions still organize their lives around it. These views span the science that debunks it, the cognitive biases that sustain belief, and the case for horoscopes as tools for self-reflection rather than prediction. Weighing them shows what astrology can't do and what it still does for people anyway.

Vaccine Autism Fraud: Misconduct, Research Safeguards, and Public Trust
A single retracted study convinced a generation of parents that vaccines might cause autism, and public health is still paying for it. These claims differ on what matters most about the fraud: exposing the misconduct itself, fixing the research rules that let it slip through, or finding ways to communicate that rebuild trust instead of deepening fear. You'll come away knowing how the deception worked and what it takes to keep something like it from happening again.

Risk Perception: Rare Dangers, Everyday Hazards, and Better Judgment
Shark attacks, plane crashes, and sinister strangers grip your imagination far more than the everyday hazards that actually hurt people. These claims differ on how deep the distortion goes: some say rare, vivid dangers fully hijack your sense of risk, while others argue that leaning on data and oversight can pull your judgment back in line. Weigh them and you can start reacting to real threats instead of memorable ones.

Unclaimed Benefits: Paperwork, Awareness, Deadlines, and Trust
Many people miss out on benefits and unclaimed money due to a mix of barriers like complex paperwork, lack of awareness, and fear of scams. The reasons differ widely—from hidden colonial legacies and disaster aid to the difficulty of navigating strict deadlines and confusing systems. Understanding these reasons helps reveal where the system fails and what can be done to make claiming easier and fairer.

Medieval Hygiene: Bathing, Dental Care, and Laundry Evidence
The filthy Middle Ages of popular imagination don't match the record. These myths fall one by one against manuscript evidence of regular bathing, dental care, and laundry, plus climate data that shaped hygiene habits. Working through them lets you decide how grimy the era really was.

The Replication Crisis: Preregistration, Statistics, Transparency, and Incentives
The replication crisis has exposed how fragile published findings can be when studies are repeated under closer scrutiny. This overview explains the roles of preregistration, statistical thresholds, trial transparency, and professional incentives in shaping research reliability. Readers will understand the main reform proposals, their tradeoffs, and why the debate over whether science can correct itself remains unresolved.

Growth Mindset in Schools: Evidence, Limits, and Real-World Impact
Telling students that effort beats talent became a classroom staple, but the results are contested. These views split between evidence that mindset programs genuinely lift grades and course choices and critiques pointing to weak studies, publication bias, and thin real-world impact. You can decide how much faith to put in mindset teaching.

Plastic Recycling Realities: Resin Codes, Chemical Recycling, and Proven Fixes
Most plastic tossed in the recycling bin never becomes anything new, and the reasons are contested. These reasons range from misleading resin codes and the false promise of chemical recycling to the systemic changes and proven programs that do work. You can decide which fixes would genuinely improve where your plastic ends up.