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One woman watches as another examines with a magnifying glass an ornate, decorative image on a printed page

The Time they Tried to Legislate Pi

Posted by: Danna Bell

March 14 is Pi Day! If you are looking for an interesting piece of history to give your students both some practice with mathematical reasoning and the opportunity to reflect on a unique intersection of mathematical truth and legislative action, introduce them to the Indiana Pi Bill of 1897.

One woman watches as another examines with a magnifying glass an ornate, decorative image on a printed page

Teaching Civic Ideals Using Primary Sources: Federalism and the Origin of Federal Air Pollution Policy 

Posted by: Danna Bell

Environmental case studies such as Donora, Pennsylvania, offer students the opportunity to evaluate the system of federalism in context of a historical event. In addition, this event may stretch students’ understanding of when and why society began to focus on the impact of air pollution on the environment.