This post originally appeared on Global Citizen.
In the last 500 years, a certain kind of map has been used to teach children about our planet. But public schools in Boston have made a big change — and it might alter the way you think about the world.
It’s about power.
Most might recognize the old map from faded school textbooks. It’s called the Mercator projection. In 1569, Gerardus Mercator built a whole world drawn along colonial lines — literally. The biggest economic powers were given...