Education7 min read
Cleopatra Beyond the Legend: Reading Around Hostile Roman Writers
Nearly every story about Cleopatra comes from the side that beat her. What coins, papyri and her enemies' own hesitations actually establish about her.
Page 22 of 42
All articles, page 22
Articles 505–528 of 990, newest first. To read by subject instead, start from a category or a topic hub on the blog’s front page.
- Sports & GM6 min read
The Recruiting Stage: Choosing a College Path Before the Draft
Career modes usually start at the draft. The youth, high-school and recruiting stages that come first decide what kind of prospect arrives there — and how.
- Education5 min read
The Columbian Exchange: Crops, Animals, Disease and Catastrophe
The Columbian Exchange moved crops, animals and disease across the Atlantic after 1492. What the evidence supports, and why the death toll is still contested.
- Education5 min read
Common History Myths, Corrected — and Why They Stick
Four widespread history myths checked against museum, archive and NASA sources, plus what memory research says about why corrections so often fail to land.
- Education6 min read
Six Reasoning Mistakes That Show Up in Puzzles
Valid but untrue, one rule assumed unique, a conditional read backwards. Six errors that wreck puzzle answers, each with a checkable example and a fix.
- Education6 min read
Comparing Two Fractions Without a Common Denominator
Four ways to decide which fraction is bigger, ranked by cost: benchmark against a half, match numerators, measure distance from one, then cross-multiply.
- Education6 min read
The Compensation Strategy: Round, Operate, Then Undo the Change
Round an awkward number, do the easy sum, then undo the change. The hard part is the undo, and the direction differs between addition and subtraction.
- Education6 min read
If-Then Reasoning and the Two Mistakes Everyone Makes
From 'if P then Q' only two inferences are valid. The four forms, why the invalid pair feels right, the contrapositive, and what 'only if' actually means.
- Education6 min read
Why Some Historical Figures Have Contested Legacies
Four separate questions get tangled in every argument about a contested figure. Separating them makes the disagreement legible instead of merely loud.
- Education5 min read
Counting Up: Subtraction as Making Change
Stop taking away and measure the gap instead. Counting up turns three-digit subtraction into two or three easy hops, and it is how change is made at a till.
- Education6 min read
Vertically and Crosswise: Two-Digit Products in a Single Pass
A digit-by-digit multiplication that produces the answer right to left with running carries, instead of building partial products and adding them at the end.
- Education4 min read
What a Daily Challenge Format Is Good For
How a date-seeded daily challenge works, why everyone gets the same one, what a once-a-day cap is protecting, and where the format stops being useful.
- Education6 min read
Dating North America Before Columbus: Tree Rings, Mounds and Disputed Foundings
Tree rings, stratigraphy and radiocarbon date North America before 1492 — and one revision moved an entire region's chronology by decades. Here is how.
- Education6 min read
Dating Southeast Asian History: Inscriptions, Chronicles and Foreign Records
Southeast Asian chronology rests on Saka-era stelae, court chronicles, foreign envoy reports and radiocarbon — and on knowing what each one can carry.
- Education6 min read
Deductive Reasoning, With Examples You Can Check
A deductive argument promises its conclusion cannot be false if the premises are true. Validity, soundness, the counterexample test, and why belief interferes.
- Education5 min read
Deep Time on a History Timeline: Seven Million Years Before the First City
Written history runs about five thousand years. The human family tree runs about seven million. Here is what fills the gap and how the dates are fixed.
- Education5 min read
Delayed Recall: What a Blank Pause Does to an Answer
A retention interval is the gap between learning something and being asked for it. Why an empty pause is easy, a filled one is brutal, and what follows.
- Education6 min read
Deliberate Practice, Applied to a Five-Minute Drill
Deliberate practice needs a specific target, immediate feedback, difficulty just above your level, and correction. Here is how that maps onto a short drill.
- Languages6 min read
Dictation Drills: Turning What You Hear Into What You Write
Dictation is the one drill that joins listening to an unfamiliar script. What it tests, what the research supports, and how to run it in ten minutes a day.
- Education5 min read
Did People Really Think the Earth Was Flat?
Educated people knew the earth was a sphere long before Columbus. Here is the ancient evidence, and where the nineteenth-century flat-earth story came from.
- Education5 min read
Digit Span: What the Number Actually Means
A digit span is the longest run of numbers you can repeat back. How the stepped procedure produces that figure, and why an app's best span is not a test score.
- Sports & GM6 min read
Drafting a Goal Kicker: Points You Can Rely On vs Points You Have to Earn
A goal kicker converts field position into points without a single phase of play. How to value that specialist on a draft board and why depth at it matters.
- Action & Arcade6 min read
Endless Mode or the Campaign: Which One Actually Makes You Better
Grinding an endless run feels productive and often is not. What motor-learning research on practice schedules suggests about choosing a mode when you are stuck.
- Sports & GM6 min read
Energy and Morale: Why the Same Pass Works at Minute 20 and Fails at Minute 80
A match decision in a career sim is weighted by six things, not one. What energy and morale actually change, and how to read a failed action correctly.