Muse Spark Open: Meta’s 816B Open-Weight Model, Its License and What It Takes to Run
Meta released Muse Spark Open on October 15, 2026: 816B parameters, 42B active, a 1M-token context, a revenue-gated license and a 700 GB memory floor.
Peter Kalafatis
Cellular Automata Explained: Game of Life, Rule 30 and Rule 110, With a Simulator You Can Run
Conway’s Game of Life, Wolfram’s Rule 30 and the Turing-complete Rule 110, explained with an embedded simulator that runs every rule in the browser.
Food swamps and obesity revisited: a reproduction with public data
A reproduction of Cooksey-Stowers, Schwartz and Brownell (2017) with public data and an open OpenStreetMap highway-exit instrument. The food-swamp association with obesity reproduces; the published…
Where the cattle were raised: tracing the deforestation in EU leather use, 2005–2023
Traced back through tanning and manufacturing countries, EU leather use embodied about 17,600 hectares of deforestation a year in 2015–2020, 72% traced to Brazil and…
Ten Minutes of AI Help Left People Giving Up Sooner, a 1,222-Person Study Finds
A CMU and Berkeley study of 1,222 people found ten minutes of AI help lowered solve rates and raised skipping once it was gone, and…
“Same active ingredient”: what FDA warning letters allege about compounded GLP-1 sellers
A systematic content analysis of 154 FDA warning letters on compounded and unapproved semaglutide and tirzepatide. Most went to telehealth sellers in three batches and…
Drive-thru dose–response: GLP-1 uptake and US restaurant employment
Households on GLP-1 drugs spend less at fast-food chains. Do counties with faster GLP-1 uptake lose restaurant jobs? Across 1,275 US counties from 2019 to…
Eating less, eating differently: the cost of an adequate diet on GLP-1 drugs
On GLP-1 drugs, eating a quarter less of the same food cuts the grocery bill by a quarter. Meeting nutrient needs at that intake cuts…
Eating less of the same: modelled nutrient gaps on GLP-1 drugs
If US adults eligible for GLP-1 obesity drugs ate a third less of their usual diet, the share below the requirement for zinc would rise…
Lower economic value, same forest: the EU’s leather exemption from deforestation rules
The EU removed leather from its deforestation law for its low value. Trade and price data show hides did cheapen, from 51% to 15% of…