Will China's algorithm crackdown serve its citizens or the state?

Taste Cells Can Control a Whole Animal’s Foraging Strategy

Saturn's polar hexagon finally explained [xkcd]

NASA JPL: Today was a good day. The Perseverance rover successfully acquired its second sample of the Red Planet. It’s a paired sample from “Rochette,” the same rock it took its first sample from. The end-to-end sample acquisition worked in a single Martian day.