I’ve been reflecting back on a couple of great science studies I’ve done.
My first science study involved hat wearing. Back when I was a kid, everyone knew that men became bald as a result of wearing hats. Since all men wore hats in those days — and you can’t actually tell if a guy is bald if he never takes his hat off — the theory was considered sound.
A friend bought a hat at Piggly Wiggly, a supermarket chain, and gave it to me. I immediately thought, “Hey, I can do science. I’ll wear this hat all the time and see if I become bald.” ...