(This post has been updated) A study conducted by the Center for Economic and Entrepreneurial Literacy, released Thursday, finds that many Americans aren’t exactly the brightest bulbs in the room.

Researchers in France and at Harvard University have found that isolated indigenous peoples deep in the Amazon readily grasp basic concepts of geometry such as points, lines, parallelism and right ...

One of the few things that unites Americans across the political spectrum in this age of partisan polarization is disdain for modern math instruction. From the far left to the far right, you can find ...