THE LEARNING LIBRARY
Health and science.
Read beyond the headline.
Our focus is health and science: start with the research guides below. Our earlier guides on money, trading, technology, creativity and practical skills remain available in the wider archive.
4 GUIDES
Health & Science
Explore sleep, creatine and the gut microbiome through original research. Separate study findings from product claims and personal health advice.
Creatine and Sleep Deprivation: What the Study Actually Tested
Read the creatine sleep-deprivation experiment without turning it into a sleep hack. Check the participants, comparison, outcomes and missing safety evidence.
Read guide →gut microbiome and depressionGut Bacteria and Depression: The Gap Between a Mouse Study and a Product
Understand what a gut-microbiome mouse experiment can show, what it cannot prove about a probiotic, and how to check a product’s human evidence.
Read guide →bedtime procrastinationBedtime Procrastination: Find the Moment Your Evening Slips
Distinguish voluntary bedtime delay from other sleep problems, then use a simple evening log to identify the transition that keeps moving your bedtime.
Read guide →Practical guideSleep and Memory: The Awake-Mouse Study, Explained
A June 2026 study restored a memory function in awake mice. Separate the real finding from a human sleep hack with a four-box research-reading method.
Read guide →EARLIER TOPICS
The wider archive
Explore our earlier guides across markets, technology, creativity and practical skills.
12 GUIDES
Trading
Learn how to read trading records, calculate risk, test strategies and review decisions with worked examples and official sources.
AI Trading Bots: Check the Evidence Before the Return
Evaluate an AI trading bot with a worked cost example, a record-quality checklist and a practical review of account access, losses and stop conditions.
Read guide →trading expectancyTrading Expectancy: Why Winning Often Can Still Lose Money
Calculate trading expectancy after costs with two worked trade logs. Understand win rate, average loss, break-even win rate and the limits of small samples.
Read guide →trading drawdownTrading Drawdown: The Recovery Maths You Need Before a Loss
Work through drawdown and recovery calculations, distinguish deposits from performance, and build a practical review rule before increasing trading risk.
Read guide →leveraged ETFsLeveraged ETFs: What a Daily Reset Does to Your Return
See why a leveraged ETF’s daily target does not imply the same multiple over a month. Work through rising, falling and round-trip price examples.
Read guide →Practical guideStock Market Basics for Beginners
Learn how stocks, exchanges, bid and ask prices, and market orders work, with practical examples and the risks to understand before your first trade.
Read guide →Practical guideHow to Read Candlestick Charts Without Guessing
Understand candle bodies, wicks, timeframes and context without treating a single shape as a prediction.
Read guide →Practical guidePosition Sizing in Trading: Formula and Examples
Calculate position size from account risk, entry price and stop distance. Follow three worked share-sizing examples and check the limits of the formula.
Read guide →Practical guideStop-Loss Orders: Stop-Market vs Stop-Limit
Compare stop-market and stop-limit orders with worked examples. Understand trigger prices, slippage, gaps and why a stop does not guarantee your exit price.
Read guide →Practical guidePaper Trading: How to Practise Without Fooling Yourself
Build a realistic trading simulation with written rules, costs and review criteria.
Read guide →Practical guideTrading Journal: Improve Your Decisions
Record plans, executions, context and rule adherence so your review produces usable evidence.
Read guide →Practical guideBacktesting Trading Strategies Without Cheating
Learn how rules, costs, look-ahead bias and out-of-sample testing affect a backtest.
Read guide →Practical guideRevenge Trading: Break the Loss-and-Chase Loop
Recognize revenge trading and build mechanical pauses that protect your decision process.
Read guide →7 GUIDES
Personal Finance
Read practical money guides on investing, costs, diversification and scam prevention. Work through the numbers before deciding.
Dollar-Cost Averaging: A Lower Average Price Can Still Mean a Loss
Work through dollar-cost averaging in a falling market. Separate contributions, average purchase price and returns before trusting a recovery chart.
Read guide →bank text scamA Bank Text Asks You to Move Money. Here Is the Check to Run.
Recognise a bank impersonation message, verify a warning through an independent route and prepare the information your bank needs if money has moved.
Read guide →Practical guideCompound Interest Explained With a Simple Example
Understand how returns can build on earlier returns and why rate, time and consistency matter.
Read guide →Practical guideDiversification in Investing: Uses and Limits
Learn how spreading exposure can reduce concentration risk without eliminating market losses.
Read guide →Practical guideInvesting vs Trading: Different Jobs, Different Timeframes
Compare investing and trading by objective, holding period, evidence and risk management, and see how one can accidentally turn into the other.
Read guide →Practical guideWhat Is Inflation? Why the Same Money Buys Less
Understand price-level changes, purchasing power, and why one household's experience can differ from an economy-wide index.
Read guide →Practical guideActive vs Passive Investing: Did Your Fund Beat the Benchmark?
Use the September 2026 SPIVA findings to ask better questions about active vs passive investing. Compare the right benchmark, period, return basis and fees.
Read guide →9 GUIDES
AI & Technology
Explore AI learning, productivity, safety and emerging computing with practical checks and evidence you can inspect.
AI Voice Scams: Verify the Request, Not Just the Voice
Prepare a family and workplace verification routine for urgent calls. Learn why a familiar voice or a secret word cannot be your only identity check.
Read guide →biological computingBiological Computing: A Real Experiment Is Not Yet an Investment Case
Separate neuron-computing research, a commercial product and an investable security. Use a worked exposure example before chasing a breakthrough headline.
Read guide →Practical guideWhat Is Generative AI? A Practical Explanation
See the input-to-output anatomy of one generation, a worked prompt, and why fluent output still needs a human check.
Read guide →Practical guideAI Hallucinations: Definition and How to Check Them
What are AI hallucinations? Learn what NIST calls confabulation, spot unreliable claims and use a five-step routine to check an AI answer against sources.
Read guide →Practical guideAI Agents Explained: Tools, Memory and Autonomy
Map an agent's permissions, add human checkpoints by risk, and see why memory needs a precise definition.
Read guide →Practical guideHow to Compare AI Model Performance: 5 Tasks
Compare AI model performance with five repeatable tasks, a scoring rubric, and checks for accuracy, latency, cost and repair time. Includes a worked evaluation.
Read guide →Practical guideHow Does Age Verification Work Online?
How do apps know you are over 18? Explore age verification, selfie estimates, ID checks and privacy, with Mika vs Guru and official sources.
Read guide →Practical guideAI and Learning: Can You Explain What It Just Did?
A 2026 coding study separates completing a task from learning it. Try a teach-back test, a changed example and an error check before trusting your understanding.
Read guide →Practical guideAI Productivity: Start the Clock Before the Prompt
Does AI save you time? Use a worked time log that includes prompting, verification and repairs, and read what METR’s 2026 research actually measured.
Read guide →7 GUIDES
Practical Skills
Build useful habits for learning, checking claims and making decisions under uncertainty.
Critical Thinking: A Practical Five-Step Method
Use a repeatable method to define a question, inspect evidence and reach a proportionate conclusion.
Read guide →Practical guideMedia Literacy: How to Read Beyond the Headline
Check authorship, evidence, incentives, context and corroboration before sharing a story.
Read guide →Practical guideSpaced Repetition: Review at the Right Time
Use retrieval and gradually spaced reviews to make important knowledge easier to recall.
Read guide →Practical guideDecision Making Under Uncertainty
Use probabilities, scenarios and reversible experiments when the future cannot be known.
Read guide →Practical guideHow to Ask Better Questions: 5 Practical Steps
Learn how to ask better questions with five practical steps, everyday examples, and a free printable curiosity notebook from Mika vs Guru.
Read guide →Practical guideHow to Fact-Check an Online Claim: 5 Steps
Fact-check an online claim in five steps: trace the source, inspect the evidence, check context and record uncertainty. Includes a free claim-checker template.
Read guide →Practical guideSleep and Memory: The Awake-Mouse Study, Explained
A June 2026 study restored a memory function in awake mice. Separate the real finding from a human sleep hack with a four-box research-reading method.
Read guide →2 GUIDES
Creativity
Turn creative skills into a clearly scoped offer. Work through pricing, costs, time and small tests before making income claims.
How to Price Creative Work Without Hiding Your Unpaid Hours
Build a creative-service price from delivery time, revisions, fees and overhead. Use a worked example and break-even calculation before quoting a project.
Read guide →Practical guideHow to Make Money With Creativity
Learn five practical ways to turn creative skills into income, validate an offer and use the free Creative Income Canvas to plan a 30-day test.
Read guide →