GREENVILLE, N.C. (Stacker.com) – Formal education systems have been in place for thousands of years—from the earliest examples of China’s Xia dynasty schooling that began in 2070 B.C., to the robust, ...

Robert Talbert is a math professor, so numbers are his thing. And the way the grading system in education works has long bothered him. That became clear a few years ago, when a particularly bright ...