Building rockets is not only down to mental capacity, but circumstance. If you consider the humans of the last 200,000 years as another species, would you also

Building rockets is not only down to mental capacity, but circumstance. If you consider the humans of the last 200,000 years as another species, would you also deduce a huge "jump" in mental capacity between those and the humans of the last 500? And a tickler for thought: Your Dog is Even Smarter Than You Think https://www.lesswrong.com/posts/zbqLuTgTCu365MNu9/your-dog-is-even-smarter-than-you-think https://www.lesswrong.com/posts/zbqLuTgTCu365MNu9/your-dog-i...