A 14-year-old Indian math prodigy known as the "Human Calculator" says yoga meditation keeps his brain nimble. Aaryan Shukla, of Maharashtra, India, recently broke six world records in math in one day ...

Even if you consider yourself pretty good at math, mental arithmetic can sometimes be quite the challenge. It’s okay in a chill environment when you’re, say, adding up scores at the end of a board ...

OK, Ari, what is 567 times 123? And you have exactly three seconds to answer, so you better move fast. SHAPIRO: You can't be serious right now, Juana. SUMMERS: (Laughter). SHAPIRO: There's no way ...

Feb. 12 (UPI) --A 14-year-old "human calculator" from India put his mental math to the test and broke six Guinness World Records in a single day. Aaryan Shukla, 14, of Maharashtra, set his first ...