No matter the age, there's one school subject that just doesn't add up for many people, and trying to solve it can bring nerves and even fear. Balancing weights, measuring steps and stacking blocks ...

One of Aaryan Shukla's world records is for mentally adding 100 four-digit numbers in 30.9 seconds. Reading time 2 minutes Remember when your teachers used to say that mental math is important because ...

There weren’t calculators or computers in medieval Europe. But there were math duels. Mathematicians would gather in public squares and pose tricky math problems to each other. Then they raced to ...