(Essay found in Nesselroade & Grimm, 2019; pgs. 705 – 706) Throughout this book we have periodically stopped to look more closely at some commonly discussed problems in the world of science; in particular, we have tried to understand better the current reproducibility crisis that is afflicting the social sciences. Let us finish this series by stepping back to look a bit more philosophically at the scientific endeavor as a whole. What can we hope to accomplish with the help of science, and what, if anything, lies on the outside? This has sometimes been referred to as science’s demarcation problem;