Is There a Cost to Big Brains?

Bacteria are the most successful beings in the world. Most animals don't have big brains. We're born premature, and so it takes us another 15, 20 years to finish growing. There's a huge penalty thatnd, and human in the beginning, awe, not that successful species. And now all of a suddn we're the first species that knows what's going on. It doesn't mean we have to be smarter. We can be stupid and serve the gens. It doesn't matter. I forget to ask you about that earlier. If intelligence is so great, and evolution is selecting four of these a multiple a neral columns andd iand if a thousand