Add Yahoo as a preferred source to see more of our stories on Google. The internet is often a place where you'll find a lot of debate, and today, people are arguing over what the right answer to a ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A seemingly simple math problem that produced markedly different answers on a calculator and a phone has left the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Are you among the top 15% of brainiacs in the country who can solve this math problem? Brainteasers and puzzles are an excellent way to keep your mind as healthy as the rest of your body. They can ...