Where does science come from?  Historically, the predecessor of what we now call the sciences was natural philosophy, which was, evidently enough, a branch of philosophy.  But when we study science at school and university, it's rare to hear much mention of any continuing dependence on philosophy.  We seem to study lots of scientific "facts": about the universe, the solar system and the earth, about impacts and reactions, about microbes, plants and animals, and about humans and society.  We gradually get introduced to experimental methods as ways of testing hypotheses and perhaps to demonst