How Historians Date Events: The Methods Behind the Numbers on a Timeline
Stratigraphy, radiocarbon, tree rings, written records and astronomy — how each dating method works, what it can and cannot establish, and why dates change.
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Articles 961–984 of 990, newest first. To read by subject instead, start from a category or a topic hub on the blog’s front page.
Stratigraphy, radiocarbon, tree rings, written records and astronomy — how each dating method works, what it can and cannot establish, and why dates change.
The RDA, the AMDR, the label Daily Value and the athlete range answer four different questions about protein. Here is what each one was built for.
Balance is coverage, not averages. The team-level jobs every lineup has to cover, why overlap wastes picks, and how minutes turn depth into a real constraint.
What the four fasting patterns in the literature actually are, where names like 16:8 come from, and why the NIA says evidence is insufficient to recommend one.
Malay and Indonesian share most of their grammar and core vocabulary, then diverge in loanwords and false friends. Here is what differs and which one to study.
Base-100 multiplication, percentage reversal, unit conversion and root estimation — every method worked through, with the case where each one fails.
The six Russian cases, organised by the job each one does, with the animacy rule, the motion-versus-location split, and what beginners reliably get wrong.
How to read formation notation, what each common shape gives up to get what it wants, and why the formation you defend in is rarely the one you attack in.
Spaced repetition rests on two findings, not one. Here is what the research supports, what it does not, and how to use it without a scheduling algorithm.
MP4 and MKV are containers, H.264 and AV1 are codecs, and the difference explains most playback failures. A practical guide to fixing them on Android.
What changes when coloring moves to a screen, why anime line art is its own puzzle, and a working order that makes a finished page look better.
A good quiz question is one you nearly knew. How trivia difficulty should scale, what streaks really do, and how to get better at anime quizzes.
What ERA, WHIP and WAR are telling you on a draft card, what they leave out, and how to read a projected 162-game record without over-trusting it.
How a basketball career sim differs from a GM game, what the possession decisions are really asking, and how early choices compound across a whole career.
What a basketball draft simulator models, why the highest-rated pick is often the wrong one, and how to read a projected season without over-reading it.
Why football rosters are a unit problem, what a no-refresh draft really tests, and how to read a simulated season record for what it actually measures.
A six-player roster plus a coach is the tightest draft puzzle in the genre. How to balance scoring against defence, and what an 84-game projection measures.
How to track protein intake: log meals as you eat, use USDA FoodData Central figures, add up a worked example day and read weekly averages.
How Cantonese tones really work, why Jyutping and traditional characters matter, and what a realistic first month of study looks like for an adult beginner.
Khmer has no tones, which removes the barrier most beginners fear. The writing system replaces it — here is what the Khmer script actually asks of you.
Malay gives beginners a Latin alphabet, no tones and no verb conjugation. Here is what that buys you, and where the real difficulty actually hides.
The 33 letters of Russian sorted into what you already read, what will trick you and what is new, plus the stress and cursive problems nobody warns you about.
What the Thai writing system asks of a beginner: consonant classes, vowels that surround the letter, and five tones that are spelled rather than marked.
Mental arithmetic methods with every worked example checked, an honest account of what daily practice does, and a way to drill it in a few minutes.