life finds a way: samples from Perseverance suggest Martian surface was wet for a long time
yan, tan, tethra: finger counting conventions across various cultures—via Nag on the Lake’s Sunday Links
well-tempered clavier: the mathematical magic of JS Bach
annals of improbable research: laureates of this year’s Ig Noble prizes announced—see previously
uchuu: cosmologist create a detailed simulated pocket Universe—downloadable to the public, a hundred terabytes worth of data