Science is very cross-generational; you're not just aiming it at twentysomethings, or eightysomethings. Every town's got a really broad selection of people and age groups interested in science.
A great door opened by God for work, but while I'm doing the work, all Hell breaks loose. Oh! The idea that when God opens a door and He's with you, you don't have to fight. Oh, what a joke. That is a joke. In fact, if you don't feel the devil fighting against you, that's a bad sign.