Whilst I agree with the title of this post, it would be nice to have some evidence, or at least some examples of the sort of things that experience brings.

Related: "The Secret Life of the Grown Up Brain" is an interesting book looking at what works and does not work in the middle-aged brain (defined as being 40s, 50s, 60s): http://www.amazon.com/The-Secret-Life-Grown-up-Brain/dp/0670...