So what’s all this about a Luca 2? Some people are sure there’s going to be one. The Google AI overview (ah, more AI) tells me it exists and will be coming out in 2027.

LUCA, short for Last Universal Common Ancestor, is believed to be the single-celled organism from which all life on Earth descended. Estimated to have existed around 4.2 billion years ago, LUCA is ...