Explore Capsules
8 capsules

Long-Range Weather Forecasts: Chaos, Models, and Predictability Limits
Beyond roughly ten days, forecasts stop being predictions and start being guesses, and the causes cut deep. The reasons here range from tiny errors snowballing through chaotic turbulence, to the limits of models and measurements, to ensemble techniques that squeeze out a little more range, with real hurricane data marking the wall. Knowing why the limit exists tells you exactly how much trust a long-range forecast deserves.

A Runner's Guide to Cushioning, Stability, and Injury Risk
More cushion feels protective, but whether it actually lowers injury risk or quietly changes your stride is genuinely unsettled. These views split over cost and expert opinion, the research methods behind the claims, and the personal trade-off between cushion and stability. See where they clash so you can choose what fits your stride and mileage.

Gold as a Safe Haven: Evidence, Crises, and Portfolio Risk
Gold is sold as the thing you flee to when markets melt down, but the evidence is messier than the story. These findings show its safe-haven role is conditional, varies by country and crisis, and often fails to offset losses at all. Statistical tests and real crash data help you judge when gold actually shelters you.

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.

Power Posing and Confidence: Evidence, Replication, and Practical Limits
Power posing became a popular claim about confidence, hormones, and behavior, but later replication efforts sharply narrowed what the evidence can support. This overview explains the original findings, the methodological disputes, and the difference between measurable effects and subjective confidence. Readers will learn where posture-based confidence techniques may be useful, where the science remains weak, and how to apply such tools without overstating their power.

Climate Skepticism and Consensus: Records, Cycles, and Models
Claims about unreliable temperature records, natural cycles, and overconfident models still circulate widely, and dismissing them unexamined convinces no one. The arguments here set the strongest skeptic cases against the evidence behind the human-caused-warming consensus, from CO2 records to how climate models earn their credibility. Working through both sides equips you to hold an informed position rather than an inherited one.

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.

Nuclear Deterrence: Small Wars, Moral Limits, and Existential Risk
Nuclear weapons have kept great powers from all-out war while giving them cover to fight smaller conflicts beneath the threshold. The views wrestle with how to keep deterrence credible while honoring moral limits and controlling escalation, and whether failed disarmament makes elimination the only safe endpoint. Understand the paradox and the existential stakes behind every debate about the arsenal.