Education6 min read
Attention Span Exercises, and What They Do Not Fix
What attention span actually means, what attention exercises reliably change, what the trials found about transfer, and what to do instead.
Page 21 of 42
All articles, page 21
Articles 481–504 of 990, newest first. To read by subject instead, start from a category or a topic hub on the blog’s front page.
- Education5 min read
Saying It Backwards: Why Reversal Costs You Digits
Reversing a sequence adds a second job on top of holding it. Why backward span runs shorter than forward span, and what that gap is actually telling you.
- Education5 min read
The Bantu Migrations: Two Thousand Years of Movement
How linguistics, archaeology and archaeobotany reconstruct the Bantu expansion, what the latest classifications changed, and why the arrows on maps mislead.
- Education6 min read
The Black Death: How a Pandemic Moved and Who It Missed
Where the Black Death began, how plague actually travels, why one death rate cannot describe it, and the 1348-49 pogroms that followed it.
- Action & Arcade6 min read
Boss Weak Points: Target Priority When More Damage Is Not the Answer
A boss with destructible modules is several targets, not one. Why the order you destroy them in decides how much damage you take, with the arithmetic.
- Education7 min read
Brain Games for Older Adults: An Honest Read on the Evidence
What systematic reviews actually found about computerised brain training in later life, and the four design features that decide whether a drill is usable.
- Education5 min read
Using a Single-Player Brain Game as a Family
How two or three people share a brain game that has no multiplayer: pass-the-device turns, matched difficulty, and the one genuinely shared artefact.
- Education7 min read
Brain Training Apps Compared: What Each One Documents
A capability comparison built only from each publisher's own pages, read 21 September 2026 (ours re-read 2 October) — including where ours is the wrong choice.
- Education5 min read
Brain Training for Adults With Ten Spare Minutes
A ten-minute practice route for adults with no spare time: one timed sprint, one accuracy set, one technique and one memory round, plus the honest limits.
- Education5 min read
Brain Training Myths, Answered One at a Time
Nine claims people repeat about brain games, each answered briefly with what the evidence actually says and what a practice app does and does not do.
- Education5 min read
Browsing the Past by Region, Era and Theme Instead of by Date
A five-thousand-event timeline is unusable in date order. Three practical entry routes — place, era and theme — and which question each one answers.
- Education6 min read
Running a Budget in Your Head: Rounding That Errs the Right Way
Round every price up, never to the nearest. Biased rounding keeps your running total above the real figure, which is the only property a budget needs.
- Action & Arcade5 min read
Build Pads: Making Tower Positions the Map Did Not Give You
Build Pads add tower slots on valid terrain away from paths, towers, auras and the castle. Where a new position earns its cost, and when to skip it.
- Utilities5 min read
Bulk Scanning a Card Stack Without Losing Track of Quantities
Cataloguing a stack of cards fails on quantities and variants, not on scanning. A bulk workflow that keeps counts, printings and corrections straight.
- Education6 min read
Byzantium: How an Empire Lasted a Thousand Years After Rome
Constantinople fell on 29 May 1453, roughly a millennium after the western empire ended. Why the answer depends on where you start counting.
- Education5 min read
Can Practice Raise an IQ Score? Practice Effects, Explained
Repeat a cognitive test and your score goes up. That is a measurement artefact, a real skill gain, or both — and telling them apart is the whole question.
- Languages5 min read
Cantonese Sentence-Final Particles and What They Actually Add
Grammatically correct Cantonese still sounds wrong without particles. What sentence-final particles do, why they are not tones, and how to start using them.
- Education5 min read
Careless Mistakes in Arithmetic Are Not Carelessness
Most so-called careless arithmetic errors are slips, not gaps in method, and the two need opposite fixes. A taxonomy plus a checking routine that takes seconds.
- Education5 min read
Cause and Effect in History: Trigger, Cause and Condition
Triggers, preconditions, contributing causes and consequences are four different things. Here is the working vocabulary, plus a test you can apply to each.
- Education6 min read
What Is Missing? Change Detection and the Blindness Behind It
How change detection tasks work, what change blindness does and does not prove, and why spotting a removed item depends on what you encoded.
- Education6 min read
China's Deadliest Rebellions and the Problem With Their Death Tolls
The huge casualty figures quoted for China's great rebellions come from census registers. Here is what those registers measure, and what they cannot.
- Education6 min read
Chinese Dynasties in Order, and Where the Traditional Dates Come From
The dynastic sequence is easy to find and harder to trust. Here is the order, which parts rest on contemporary evidence, and which rest on later texts.
- Education5 min read
The Chola Empire and South India's Reach Across the Bay of Bengal
The Cholas built temples that still function and sent fleets across the Bay of Bengal. What the inscriptions support, and what historians still argue about.
- Education5 min read
Choosing a Difficulty Level You Will Actually Learn From
A selection rule with a number attached, plus what a difficulty label physically changes in an arithmetic drill and in a memory round.