What I saw on the web on 2024.1.4

1. A Sudoku Secret to Blow Your Mind
   by Simon Anthony speaking to Brady Haran
   https://www.youtube.com/watch?v=pezlnN4X52g
   this had not occurred to us, Dude. could be useful if i get back into sudokuing!
   via rss
   
   
2. Singing The Blues
   by Scott Alexander
   https://www.astralcodexten.com/p/singing-the-blues
   a curious speculation on some of the mechanisms underlying depression
   via rss