If you want to know when mathematicians are about to have a breakthrough, you don’t need to look inside their heads. Just watch their movements at a chalkboard. “I’ve always been super intrigued by ...
SEATTLE – SEATTLE (AP) — Hemant Mehta's formal training taught him how to write a lesson plan and how public schooling began in the U.S., but it was useless when it came to keeping order in the ...