> we aren't getting smarter with each generation. We have less brain matter than humans who lived millions of years ago on average The amount of brain matter d

> we aren't getting smarter with each generation. We have less brain matter than humans who lived millions of years ago on average The amount of brain matter does not say all that much about the level of intelligence. Some kinds of birds are as intelligent as 7 year old children, and that's not something you'd guess from the size of their brains.