Explore Capsules
7 capsules

Studying Lasting Love: Evidence, Methods, and Limits
Studying love scientifically forces awkward choices about what counts as evidence. The methods here span controlled experiments chasing cause and effect, frame-by-frame observation turned into math, deep single-case studies, and models that treat couples as constantly shifting systems, with some researchers insisting there are hard limits on what any of it can know. Where you land shapes which relationship advice you take seriously.

Sleep Trackers and Clinical Sleep Studies: Uses, Limits, and Decisions
Sleep trackers and clinical sleep studies serve different purposes in understanding rest, fatigue, and possible sleep disorders. Readers will learn how consumer devices estimate patterns, how laboratory studies measure sleep and support diagnosis, and how to judge when self-tracking is sufficient versus when professional assessment is warranted.

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.

Drug Research Bias: Ghostwriting, Trial Data, and Patient Protection
The research behind your medications may carry hidden ghostwriters and massaged trial data. The views split on the remedy: exposing manipulated studies one by one, forcing legal and regulatory reform on the companies, or practicing evidence-based care that routes around the bias, especially for vulnerable patients. Decide how much to trust drug claims and how to protect yourself in the meantime.

The Scientific Method in Practice: Inquiry, Evidence, and Teaching
Scientific inquiry is often taught as a fixed sequence, but real research moves through questioning, evidence, interpretation, revision, and judgment in more complex ways. This capsule examines how the scientific method has been represented in classrooms and practice, helping readers understand how science works and how it can be taught with greater accuracy and depth.

Self-Testing and Memory: Evidence, Feedback, and Study Choices
Rereading notes feels productive, but testing yourself locks learning in far more effectively. These findings cover the memory boost from active recall and feedback, the study designs and statistics used to measure it, and debates over how widely the effect holds across learners and material. You can decide how to study for what actually sticks.

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.