A problem sequence is presented developing the basic properties of the set of natural numbers (including associativity and commutativity of addition and multiplication, among others) from the Peano axioms, with the last portion using von Neumann's construction to provide a model satisfying these axioms. This sequence is appropriate for…

For over 30 years, sociologists have expressed concern that the undergraduate curriculum in sociology lacks coherence. The sociology major continues to be loosely structured with few opportunities for sequential learning. To achieve greater coherence in the major, I recommend that departments sequence more courses or infuse both empirical and…

This article suggests that a genuine reform endeavor towards the "Science for All" paradigm should adopt a holistic approach. There are several countries around the world that adopted the "Science for All" paradigm at the beginning of the 21st century. However, while looking closely at the amount of change that took place in…