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 technology, practical skills and creativity 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 on technology, practical skills and creativity.
8 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 →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 →6 GUIDES
Practical Skills
Build useful habits for learning, checking claims and making decisions under uncertainty.
Media 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 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 →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 →1 GUIDE
Creativity
Turn creative skills into a clearly scoped offer. Work through pricing, costs, time and small tests before making income claims.