Earliest Brain Found!
When did brains appear in the animal kingdom? New evidence suggest very early in the Cambrian period in little creatures called Cardiodictyon. Here's the story: https://mindmatters.ai/2022/12/earliest-brain-found-from-over-half-a-billion-years-ago/, and here's the research: https://www.science.org/doi/10.1126/science.abn6264.