Science 101. Hmmm. It's about beginnings, insights, hints of intellectual excitement, new ways to let curiousity run free. The other categories showcase natural objects. This one tries to capture what we have learned about the how and why of Nature. When accompanied by some understanding of how it got that way, something special happens to us all. We offer charts that are representative of different fields of scientific study, focusing on the basics and the indispensible.