This simple-looking equation is dividing people online. Can you recall the golden rule from math class to find the right ...

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 ...

There were so many great mystery novels published this year that it was difficult to pick just 10 for this list. But here they are. Among them are some familiar names — Chief Inspector Armand Gamache, ...