Thanks to a post by
Maria Anderson, I was inspired by the TED video shown in my last post by Neil Turok. His background slides (which had huge visual impact) were created using
worldmapper.org. I navigated to the site to explore some more. What a great way to incorporate some social justice ideas into your math course. The files come with MSExcel ready data and posters that can be printed.

The first image is a plain old map of the world. The second map has been created such that territory size is proportional to the world distribution of the excess male over female enrolment in primary education.