Experimentation and thinking at the level of a program of experiments statmodeling.stat.columbia.edu/2025/09/05/e...

Hot off the press: Michael Kremer’s and my resurrection of Margaret Macdonald.

Some chairs and a hat.

Tonight’s clouds looked kiiiinda like this

Ten minute sunset sketch.

Some cabin sketches.

'Poll' in its earliest appearances refers to the top of a head – the modern political meanings of a number of votes or a survey of voters emerge from the 17th century through the act of counting people's heads. The older 'head' sense is behind terms like 'poll tax', but also 'tadpole' (toad-head).

What a great talk with Mike Travisano about evolutionary innovation and the origin of life, alongside amazing panelists Ken Waters and ‪@mrebolleda.bsky.social ! So happy to be at #ISHPSSB2025 !

It's because of medieval lists that set out their entries with the format 'also... also... also...' (in Latin: item... item... item... ) that English today has the common noun 'item'.

⏰ Free access to read & download thru August 20 the final published version of Wendy Parker & my paper "Understanding Data Uncertainty" at this link ⬇️ authors.elsevier.com/c/1lMUI8yuR6... #philsci #metasci 🧪 ⚒️

Just accepted: ‘Severe Testing: Error Statistics versus Bayes Factor Tests’ – Deborah Mayo Abstract in alt text or read the full paper here (open access): www.journals.uchicago.edu/doi/10.1086/... #philsci #philsky

Term is over - time to go through the greatest hits again. www.youtube.com/playlist?lis...

If I could introduce a new type of punctuation, it would be a question mark with a comma at the bottom instead of a period. This would be useful for sort of run-on questions.

My research question is simple: How does everything connect to everything else in a way is new and yet totally obvious?

I am on a bit of a PhD examining spree lately, so will post links to the great work of the newly minted doctors as they are uploaded. This one is by Ahmad Elabbar (who by the way will be starting as my new colleague next year, yey!). It is a tour de force, co-examined with the amazing Simon Caney

Away for a few days. Didn’t bring a book with me because I knew I would use it to procrastinate. But now my work is done and my laptop won’t charge and

We thank Reviewer 2 for their helpful feedback which has greatly improved the paper

It’s kinda fun that “substance”, “hypostasis” and “understand” all kinda have the same base meaning, looking at their etymology. Stand under. When we hypothesize we place something under, try it as a foundation. When we gain the right kind of confidence, we stand there with it.

Symbols grow... A symbol, once in being, spreads among the peoples. In use and in experience, its meaning grows. Such words as force, law, wealth, marriage, bear for us very different meanings from those they bore to our barbarous ancestors. C.S. Peirce, “What is a Sign?”1894, EP2, 10.

It is evident, then, even from what we have said before, that all men seem to seek the causes named in the Physics, and that we cannot name any beyond these; but they seek these vaguely;