It’s not how old you are, it’s how you are old.   Jules Renard Fluid Intelligence is raw intelligence- the ability to solve novel, abstract problems.  It increases through our 30s then begins a precipitous decline in our 40s.  This explains why younger people are more innovative and populate startups and new music genres. Most readers...Read More

As soon as you feel too old to do a thing, do it. Author Margaret Deland (1857 –1945) There are many ways to age well. I recently took a bike trip and met two women, lifelong friends who had joined the same trip. I was struck by their determination and can-do spirit: even though they...Read More