You cannot transform the world without understanding how it works. And you cannot fully know yourself if you ignore what you are made of. Natural science was not born complete: it was a path, a struggle, a conquest. From mathematics as a language of precision, to Newton's physics that shaped the system of the world. From chemistry that changed technology to Darwin's biology that sought to explain life. From Einstein's relativity to quantum mechanics, which forced us to accept that reality is stranger than we imagine. This stage is not a technical course. It is a journey through the great questions that science has been asking for centuries, told by those who know how to ask them without losing their sense of wonder. You are going to look at the sky, matter, life, and time with different eyes. You will understand why the universe is comprehensible and why that is, in itself, a mystery. When you finish, you will not be a physicist or a biologist. But you will have something more valuable: the ability to look at a hand, a star, or a cell and not take it for granted. Because you are made of atoms that were once stars. And recognizing that changes everything.