Explore Capsules

21 capsules

Self-Testing and Memory: Evidence, Feedback, and Study Choices

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.

Testing effect · 101 stops · ~202 minFree
A Gambler's Guide to Casino Psychology and Safer Play

A Gambler's Guide to Casino Psychology and Safer Play

Casinos are engineered down to the carpet to keep you at the table, and knowing how changes how you play. These tactics cover the brain science of near-misses and unpredictable rewards, layouts and sensory overload that wear down judgment, rigged odds that hide the true cost, and the discipline of knowing when to walk. See the full playbook so you can make smarter calls.

Casino design · 58 stops · ~116 minFree
An Educator's Guide to Spaced and Retrieval Practice

An Educator's Guide to Spaced and Retrieval Practice

Much of what schools and parents assume about learning, including learning styles, doesn't survive testing. These strategies center on what does: spacing practice over time, recalling material instead of rereading it, and lesson designs backed by experiments. Comparing them shows where to put effort so kids actually remember what they learn.

Learning strategies · 78 stops · ~156 minFree
Supermarket Psychology: Layout, Pricing, Scent, and Social Cues

Supermarket Psychology: Layout, Pricing, Scent, and Social Cues

Layout, pricing, scent, and social cues in a supermarket are engineered choices, not accidents. These tactics split on how deep the influence runs: subtle nudges through aisle design and pricing, emotional and identity triggers, or effects so measurable that researchers track shoppers' biometric reactions in real time. Seeing the machinery is the first step to deciding how much of your cart is really yours.

Retail psychology · 76 stops · ~152 minFree
Exercise Settings and Mental Health: Evidence, Motivation, and Fit

Exercise Settings and Mental Health: Evidence, Motivation, and Fit

Outdoor workouts are praised as a mood cure, yet much of that research is thinner than it looks. Gym, park, or living room, the setting may matter less, or more, than you think, depending on what you need exercise to do for you.

Exercise · 55 stops · ~110 minFree
Breakfast and Health: Marketing, Metabolism, and Personal Routine

Breakfast and Health: Marketing, Metabolism, and Personal Routine

Breakfast sits at the intersection of nutrition science, food marketing, metabolism, and daily habit. This overview explains how claims about the first meal of the day developed, what research suggests about skipping or eating breakfast, and why individual routines, energy needs, and health goals matter. Readers will be better equipped to evaluate breakfast advice and make deliberate choices that fit their own bodies and mornings.

Breakfast · 77 stops · ~154 minFree
Digital Eye Strain: Blue Light Glasses, Dry Eyes, and Screen Habits

Digital Eye Strain: Blue Light Glasses, Dry Eyes, and Screen Habits

Screen-weary eyes have made blue light glasses a booming product, but the evidence behind them is shakier than the marketing suggests. The views here split over whether relief really comes from treating dry eyes, fixing your desk setup, and changing screen habits before bed rather than from tinted lenses. Sort out which fixes are backed by evidence before you spend on the wrong one.

Eye strain · 56 stops · ~112 minFree
Baby Talk and Language Learning: Attention, Feedback, and Evidence

Baby Talk and Language Learning: Attention, Feedback, and Evidence

The exaggerated singsong adults use with infants looks silly but may be doing serious work. These approaches differ on the mechanism and the proof: how parents adjust speech to a baby's feedback, which sounds hold infant attention, and whether the research leans too hard on narrow Western samples. Comparing them shows what we truly know about talking babies into language.

Baby talk · 58 stops · ~116 minFree
Astrology and Evidence: Testing, Bias, and Self-Reflection

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.

Astrology · 99 stops · ~198 minFree