Science is the careful, systematic effort to build and organize knowledge as testable explanations and predictions about the world. Sticking to it honestly leads to better decisions, more accurate beliefs, and more room for people to flourish. Beliefs grounded in evidence protect health, safety, and well-being. It is the most important mental tool humanity has. Science is good, and I do not hedge on that.
The list of scientific occupations is long. But the lines between fields are mostly formalities kept for organizing universities and institutions. What matters is not the field but what each one contributes, and the community knows how connected the work is.
Science does not come easily to humans. Many of us were lucky to be born where it is taught as part of a normal education. Even there, scientific literacy is a struggle to promote.
Our natural habit is to trust our own gut and what our groups tell us. That habit helped us survive, so it is not a flaw. But it has limits, especially in a world that science itself keeps changing. That is why I treat pseudoscience as a live threat rather than a curiosity. For the habits that keep it trustworthy, see Trust in Truth.