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Jan Freyberg

@janfreyberg.com
319 followers 532 following 59 posts

Machine Learning researcher at Google Health, working on human centered medical AI. Trained in neuroscience, untrained but enthusiastic cyclist

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Jan Freyberg @janfreyberg.com · 29/09/2026
I see you've read my papers' reviews
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Stuart Presnell @logopetria.bsky.social · 06/09/2026
Wow, I really had no idea
Screenshot from the Wikipedia page on Brassicas, edited to say:
"Brassica species and varieties commonly used for food include bok choy, broccoli, Brussels sprouts, cauliflower, peanuts, haricot beans, olives, Pop Tarts, and chicken."
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Jason Hickel @jasonhickel.bsky.social · 31/08/2026
Who is draining Africa? This figure shows net-appropriation of resources from Africa's CFA zone, illustrating two key facts. 1) Eurozone countries are the biggest appropriators, benefitting from the Francafrique system. 2) Contrary to conventional Western narratives, China's appropriation is tiny.
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Jan Freyberg @janfreyberg.com · 18/08/2026
But it's more than one word - a set, if you will
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Ketan Joshi @ketanjoshi.co · 14/08/2026
Here's Amazon's two new planned fossil-fuelled AI data centres next to the ENTIRE POWER GRIDS OF SEVERAL LARGE COUNTRIES Together, the two gas-burning data centres will emit more than Spain's entire grid, if built
Bar chart comparing 2025 national grid CO2e emissions (grey bars) with two Amazon fossil‑fuelled AI data centres (red bars), showing the Amazon sites at about 33 and 17.5 megatonnes CO2e—higher than many countries' entire power grids.
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Jan Freyberg @janfreyberg.com · 13/08/2026
Just listening and it is fantastic
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Jim Thompson @jimthommo.bsky.social · 06/08/2026
Looks like a null effect of TUS on LGN using a very sensitive measure (SSVEPs) by a top vision science group. More reason to be careful interpreting TUS results
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Jan Freyberg @janfreyberg.com · 31/07/2026
Matt Damon not exactly a patriot either!!
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Berna Devezer @devezer.bsky.social · 29/07/2026
It's the unseriousness of the whole thing that gets to me. What is produced as scientific research in one of the top business schools in the country. What they measure and what's being reported have nothing to do with each other. How do they not feel ashamed to circulate this report? (rhetorical)
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Jan Freyberg @janfreyberg.com · 28/07/2026
Bog! Bodies! Bog bodies!
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Jan Freyberg @janfreyberg.com · 24/07/2026
Pine nut butter is amazing!
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Johannes Franzen @johannesfranzen.bsky.social · 06/06/2026
Bitte nicht korrigieren oder erklären, ich habe mich null informiert und es interessiert mich auch nicht.
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Jan Freyberg @janfreyberg.com · 03/07/2026
UK worker strong 💪
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Thiago Carvalho @cyrilpedia.bsky.social · 28/06/2026
This is what makes it art: '(...) the publisher posted a blank white page with the cryptic phrase, “This article has been withdrawn due to article violation.” Springer Nature is nevertheless still selling the empty PDF for $39.95.' www.science.org/content/arti...
science.org
Why have papers by one of history’s most famous physicists been retracted?
Springer Nature has removed two studies by Max Planck. A bot may be to blame
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Euan MacDonald @euanmacdonald.bsky.social · 16/06/2026
A Ukrainian drone dives lazily through Moscow skies to strike an oil refinery in the SE of the Russian capital earlier on June 16. The refinery, 16km from the Kremlin, provides a large proportion of Moscow and its region's fuel needs, Ukrainian news sources say. Russia's fuel crisis set to worsen.
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Miri Forbes @miriforbes.bsky.social · 11/06/2026
Our Bluesky discussion on data sharing in the genAI era is famous
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Ryan Moulton @moultano.bsky.social · 05/06/2026
This is amazing. They actually quantified the tetrahedral color and color perception of hummingbirds. www.pnas.org/doi/10.1073/...
tetrahedral hummingbird color
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Jan Freyberg @janfreyberg.com · 03/06/2026
How?
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Mattan S. Ben-Shachar @mattansb.msbstats.info · 31/05/2026
Psychologists doing clustering be like: #statsmeme
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Gustavo A. Ballen @gaballench.bsky.social · 29/05/2026
And finally it was published! Massive thanks to my coauthors, the editor and reviewers, and the institutions that supported our research. journals.plos.org/plosone/arti...
journals.plos.org
What did the dove sing to Pope Gregory? Ancestral melody reconstruction in Gregorian chant using Bayesian phylogenetics
An attractive goal in the study of Gregorian chant melodies is reconstructing unobserved melodies as they may have been transmitted along their history, especially as early chant notation does not cap...
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Gavin Buckingham @handle.invalid · 26/05/2026
I get a weird, almost physical sensation in my eyes from this image
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Benjamin @benjaminschneider.ch · 21/05/2026
*at the baseball game* so there‘s this paper by Thomas Nagel
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The Great Pumpkin Papers 🎃🎃🎃 @professormusgrave.bsky.social · 20/05/2026
I know “the personal is political” and “everything is political” but I simply cannot live life being forced to consider everything in a broader context. That’s not cowardice—it’s self preservation
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value plus discounted @akhilrao.bsky.social · 17/05/2026
"interesting long read" is how economists say "your identification strategy, it is totally believable, this is causal" and i think that's lovely
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Richard McElreath 🐈‍⬛ @rmcelreath.bsky.social · 18/05/2026
math videos be like: this small list is infinite
still from video explaining Lie algebras. caption: out that those pieces come from a fairly small list.still from same video, showing next line. caption: small list. Well the list is actually infinitely long but
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Jan Freyberg @janfreyberg.com · 09/05/2026
Xteink is nice and portable
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Prof Nichola Raihani @nicholaraihani.bsky.social · 08/05/2026
Sneak peek at the US cover for THE THINKING ANIMAL, coming Jan '27. Looking forward to sharing more - soon! @stmartinspress.bsky.social @zcosini.bsky.social
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Berna Devezer @devezer.bsky.social · 30/04/2026
📣 The difference between replicable and not replicable is not itself scientifically replicable. 📣 New work with Erkan Buzbas, showing that verdicts such as "X% of results replicated" are based on an inferential machinery that doesn't work. arxiv.org/abs/2604.26268
Screenshot of a paper's title page. Title: "The Difference Between 'Replicable' and 'Not replicable' is not Itself Scientifically Replicable". Authors: Berna Devezer and Erkan O. Buzbas, both at the University of Idaho — Devezer in the Department of Business and the Institute for Modeling Collaboration and Innovation, Buzbas in the Department of Mathematics and Statistical Science. Authors contributed equally. Corresponding author: bdevezer@uidaho.edu.
Abstract: Replication studies estimate the replicability rate of scientific results by aggregating binary verdicts of experiments. Exact replications are rarely attainable, so most replication sequences are non-exact. Experiments differ in ways that matter and do not share a single common data-generating process. We formalize two statistical interpretations of this non-exactness. In a shared latent rate model (benchmark), experiments are exchangeable and depend on a common random replicability rate. In a conditionally independent rates model (operational), each experiment has its own replicability rate drawn independently from a population distribution. Under the shared latent rate model, even small variability among replicability rates induces an irreducible variance floor on the estimated mean replicability rate that cannot be eliminated by adding more replications. Under the conditionally independent rates model, the degree of non-exactness is not identifiable from standard replication data, because one binary verdict per experiment contains no information about between-experiment heterogeneity. Researchers therefore cannot tell which precision regime they are operating in or whether high- and low-replicability sequences can be distinguished in principle. As a result, the usual data structure of one binary verdict per experiment cannot support reliable demarcation between "replicable" and "not replicable" results and systematically understates uncertainty, making high- and low-replicability sequences appear discrim…
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austin (eeek!/ackkk! 👻) @thebadcode.com · 20/04/2026
maybe even better than the gods
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Jan Freyberg @janfreyberg.com · 01/04/2026
endlich!
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Corey Atad @coreyatad.com · 16/12/2023
just had my mind blown learning the term “escalate” is derived from the word escalator (originally a trademarked name), and not the other way around
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Jan Freyberg @janfreyberg.com · 22/03/2026
Watching these is what self care looks like 🛀
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Richard McElreath 🐈‍⬛ @rmcelreath.bsky.social · 22/03/2026
Statistical Rethinking 2026 is done: 20 new lectures emphasizing logical and critical statistical workflow, from basics of probability theory to causal inference to reliable computation to sensitivity. It's all free, made just for you. Lecture list and links: github.com/rmcelreath/s...
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Titus Blome @derlampenputzer.bsky.social · 18/03/2026
das ist so gottlos witzig www.theverge.com/tech/896322/...
theverge.com
Meta is shutting down its VR metaverse on June 15th.
Meta announced last month it would be shifting its strategy to go “all-in on mobile” for Horizon Worlds, and today, the company shared exactly when the VR version of the app would be going away. Updat...
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Jan Freyberg @janfreyberg.com · 14/03/2026
What a picture @sherif.eurosky.social
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Jan Freyberg @janfreyberg.com · 05/03/2026
Thought this was a mount?
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Jan Freyberg @janfreyberg.com · 14/02/2026
... plus.. discounted?
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Jan Freyberg @janfreyberg.com · 07/02/2026
The first pope 😂
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Ketan Joshi @ketanjoshi.co · 17/01/2026
Not sure this counts as a timeline cleanse but check out the weird little cars I made
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Jan Freyberg @janfreyberg.com · 19/01/2026
Thank you! Ordering 😄
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Jan Freyberg @janfreyberg.com · 19/01/2026
What model / where did you buy it?
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Jan Freyberg @janfreyberg.com · 17/01/2026
My preorder for this on bookshop.org UK was cancelled, any particular reason or should I preorder somewhere else?
bookshop.org
Bookshop.org: Buy books online. Support local bookstores.
A better way to buy books online. Every purchase financially supports local independent bookstores.
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Jan Freyberg @janfreyberg.com · 16/01/2026
But don't you have to act shocked and angered lest someone accuses you of traitorous emotions?
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Steve Herman @newsguy.bsky.social · 11/01/2026
RFE/RL, which has sued Kari Lake to block her termination of its federal funding grants, resumes shortwave radio broadcasts into Iran following the imposition of an internet blackout by the Islamic Republic. about.rferl.org/article/radio...
about.rferl.org
Radio Farda Returns to Shortwave, Bypassing Iran’s Digital Blackout
Radio Free Europe/Radio Liberty (RFE/RL) has today resumed shortwave radio broadcasts into Iran following the imposition of an internet blackout by the Islamic Republic.
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Jan Freyberg @janfreyberg.com · 05/01/2026
1688 erasure is official government policy to this day given it's on the life in the UK test
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Jan Freyberg @janfreyberg.com · 05/01/2026
Great work!
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Benjamin @benjaminschneider.ch · 25/12/2025
the nerd urge to bring a project with you when visiting family over Christmas
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Kevin Zollman @kevinzollman.com · 23/12/2025
Time to start a bluesky Christmas fight: Most over-rated and under-rated cuisine? For me: Over-rated: French Under-rated (globally): Mexican Under-rated (US specifically): Indonesian
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Michael "Shapes Dude" Betancourt @betanalpha.bsky.social · 03/12/2025
Many of the most passionate Bayes verses frequentist debates are not between I and II or III and IV but rather I and IV. People are often excited more about the freedom to work with better models than having uncertainty quantification.
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Jan Freyberg @janfreyberg.com · 02/11/2025
Giving #scisky #icanhazpdf another go - does anyone have access to this? thejns.org/pediatrics/v...
thejns.org
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