Correspondent Anderson Cooper spoke to 60 Minutes Overtime about his former math teacher, Yves Volel, who ran for president ...

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

Students actively engage in tasks that are doable and interesting—which frees up time for personalized instruction.

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...