Recent Posts - page 136
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How to approach a probability problem
If you are dealt a hand of five cards, what is the probability that you have three diamonds and two clubs? There are (at least) two different approaches to this kind of problem: The chance the first card is a… Read More ›
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Learning in fourth grade — on Saturdays
For about half of the Saturdays each year, I teach in a wonderful program called The Saturday Course. This is an enrichment program for gifted and talented public-school and parochial-school students in grades four through six. Small classes, dedicated faculty,… Read More ›
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Risks and probabilities
We know that both adults and kids are notoriously bad at estimating probabilities. Bruce Schneier (one of the world’s leading experts on security, cryptography, etc.) has this to say concerning risks and probabilities: One of the things I routinely tell… Read More ›
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Kids can’t concentrate? Don’t believe it!
Most exciting event of the week: I’ve been sitting here proctoring MCAS for the past two and a half hours. Actually, it isn’t exciting (surprise, surprise). But I’ve gotten quite a lot of work done. I don’t think I’m allowed… Read More ›
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Why start now? First thoughts…
For a year now I’ve been thinking of starting a blog. But there was never a reason to start it today. Tomorrow would do. Or the next day. Or the next day. So why start one now? The proximate reason… Read More ›
Featured Categories
Books ›
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The Odyssey (my failed attempt to see the movie)
August 12, 2026
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Murder off the Page
August 6, 2026
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With Prejudice
July 31, 2026
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Happy birthday (or maybe not), Messrs. Strunk and White!
July 30, 2026
Dorchester/Boston ›
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Bred
August 21, 2026
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Morning glories
August 13, 2026
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Good stuff cheap! The story of Jerry Ellis and Building #19
August 4, 2026
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Hydrangeas
July 27, 2026
Food & Restaurants ›
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How was last night at Tavolo different from all other nights?
May 7, 2026
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Dot Block Diner
April 21, 2026
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Happy spring! Happy buck-a-shuck!
March 20, 2026
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A special brunch at Tavolo
March 1, 2026
Life ›
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Fireworks
July 3, 2026
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Christina II
July 1, 2026
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Speaking of Les Miz…
June 27, 2026
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The Tartan Army: the day Scottish FIFA fans drank Boston dry
June 26, 2026
Linguistics ›
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What, I hear you ask, is an inverted oloid? (For that matter what is a plain vanilla oloid?)
August 14, 2026
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Why don’t Native Americans want to be called Native Americans?
July 28, 2026
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Unabridged
June 28, 2026
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Judeo-Arabic
May 24, 2026
Math ›
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Very sad news
October 17, 2025
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The metric system has gotten an update!
July 14, 2025
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As Tom Lehrer says, that’s mathematics!
July 9, 2025
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The Plinko Bounce
June 28, 2025
Model Railroading ›
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Only the best…
July 22, 2026
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Where are the women?
April 13, 2026
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Famous railway modellers
March 16, 2026
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“So you want a model railroad” — a well-known… okay… not-so-well-known Warner Bros. film from 1955
November 22, 2025
Movies & (occasionally) TV ›
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Picard: Welcome to the Sticks!
March 6, 2026
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The new Springsteen bio-pic
November 11, 2025
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Breaking Silence: a truly outstanding documentary!
July 29, 2025
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The Social Network
May 11, 2025
Teaching & Learning ›
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Who’s better at understanding written English — you or some random teen in South Korea?
January 22, 2026
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Triple threat: Carl Sagan, critical thinking, and an exam
October 13, 2025
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Truly these are oldies but goodies — songs from… wait for it… two millennia ago!
September 28, 2025
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Measles and polio down in the schoolyard
September 8, 2025
Technology ›
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Claude vs. ChatGPT
May 28, 2026
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Will the real John McWhorter please stand up? (No, no, that’s not the real one; that’s the AI John McWhorter!)
January 18, 2026
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Not the other Wes Moore
June 22, 2025
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Bye bye Mark Z.
February 6, 2025
Travel ›
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Interesting address
April 8, 2026
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Taunton vs. Colmar?
March 4, 2026
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Written in the South Pacific during World War II
February 17, 2025
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Globle
February 15, 2023
Weston ›
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A former student’s PhD defense
August 15, 2025
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“Dear parents of math geniuses…,” writes Tanya Khovanova
December 6, 2022
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How can girls succeed at the highest level of high-school debate?
November 20, 2022
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Reading Latin and Ancient Greek for fun and profit. For what? Fun? Yes, fun. Really. And the profit was purely intellectual, not financial.
October 19, 2022