Welcome to my “Today I Learned” series. Three days a week, I write down three things I learned that day. They might be profound things, enlightening things, silly things, useless things, educational things, surprising things, things I really ought to have already known, or some kind of thing that’s some weird linear combination of all of those things.
You can find every TIL article I’ve written on Medium below.
Table of Contents
Today I Learned: August 23, 2019
Lock washers (and others). Lyme disease. West Bank geography.
Today I Learned: August 12, 2019
Sneezing superstition. Nuclear fallout. Early American Christianity.
Today I Learned: August 9, 2019
The No-Cloning Theorem. Animal magnetism. As low as a one in three chance.
Today I Learned: August 7, 2019
Ayn Rand vs. Hollywood Communists. Beijing “`er”s. Accenting with particles.
Today I Learned: August 2, 2019
E. coli and adrenaline. Why we have Columbus Day. The Black Legend.
Today I Learned: July 17, 2019
Cheap printers. Eroom’s Law. It’s more afraid of you than you are of it.
Today I Learned: July 15, 2019
Opiates and opioids. Fast minipreps. Pig iron and the Bessemer Process
Today I Learned: July 2, 2019
The Transformer. Gloomhaven’s designer. Science doesn’t completely not work.
Today I Learned: June 28, 2019
Streaming numbers. DNA nicking data storage. Human visual bandwidth.
Today I Learned: June 26, 2019
Domestic butterflies. Of a Revolution. Chinese nationalist financing.
Today I Learned: June 19, 2019
Forbidden fruit. Ghosts of bananas past. Informative models.
Today I Learned: June 17, 2019
Giraffe pricing. Pandas exploratory analysis. Python debugging.
Today I Learned: June 12, 2019
Korean Republics. Antibody delivery systems. Didgeridoo therapy.
Today I Learned: June 7, 2019
Public opinion in Russia. Numerical stability. Salt your beets.
Today I Learned: June 5, 2019
Amazon data storage. Antibiotic interactions. E. coli chromatinization.
Today I Learned: May 29, 2019
Buying apples. Selling Apple products. Residency restrictions.
Today I Learned: May 2, 2019
Origins of golden gate; generics; John Lennon has some weird music.
Today I Learned: May 1, 2019
Korean names. Pedestrian fatalities vs. murders. The Kelly criterion.
Today I Learned: April 26, 2019
Improbable piano geometry, non-monotonic logic, and unreasonable SMS fees.
I wrote these things daily for a couple of years on my Facebook account. If you’re hungry for more content and you really want to slog through literally unformatted walls of text in an ugly blog, you may find what you’re looking for in my autogenerated pre-Medium archive at https://positivederivative.blogspot.com/.
I have occasionally written words other than things I learned that day. Here are a few:
- A quick look at a subtle problem with BMIs:
The Lie of Body-Mass Index
Okay, yeah, that’s an attention-grabbing hyperbolic title. Body-Mass Index isn’t a lie, it’s a real thing, it is a…
- A friendly (if sarcastic) meditation on the improbability of life:
An Inconvenient Truth About Planet Sol Three
“Zarblax, what a surprise! Small tides and large clutches!”
- A puzzle about the evolution of sexual behavior, thinly disguised as a short story.