The viral math problem has X users stumped - but the answer comes from lessons learned in fifth or sixth grade. The best way to go about any equation is by using the handy math acronym PEMDAS, a ...

We've wondered for centuries whether knowledge is latent and innate or learned and grasped through experience, and a new ...

U.S. employers and colleges are contending with more young people who are behind academically. Some are trying to make up ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.