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Earlier this week, in the midst of a wildly stressful couple of weeks, I got a rude red “positive” light on the Metrix reader running my COVID-19 test.

Editorial Note: I had been hoping to spend much more time on this article, going through some further stages of drafting, producing a shorter blog-length version with fewer details, and exploring all of the authors’ supplemental material and perhaps even…

A few years back, I read an anecdote somewhere on the web by a guy whose boss had won an all-expenses-paid trip to see an NFL game with amazing seats.

I did an informal study on my 13 years of Anki spaced-repetition history to settle a team question at RemNote: is our “Anki SM-2” algorithm (and Anki’s SM-2 algorithm itself) too aggressive when scheduling overdue cards?

In my post on contraception, I mentioned emergency contraception only in passing, as something that was out of scope, but it’s come to my attention that there are also important and underconsidered differences in effectiveness here, and that most people a…

One of my Big Serious Goals for 2023 is to become more socially connected and make more really good friends in my new city, where I hope to be for some time to come, so I’ve been doing a lot of reading about what seems to be making this harder in recent y…

Figures expressed in percentages are ubiquitous, and interpreting and doing calculations with them is an important part of the basic mathematical literacy useful in everyday life.

Two quick announcements this week. 1: A home for short posts I’ve started a microblog at https://ap.sorenbjornstad.com.

An old legend tells of a Western anthropologist researching an indigenous community in the jungle.

[Cloud computing] allows people to read and modify word-processor files, spreadsheets, and presentations using a smartphone on the toilet.