Come spring, everyone's a joker about math. That's because every March 14 — 3.14, that is — is Pi Day, so named for the set of numerals that make up its date. Sure, pi is technically the ratio of the ...

Do you know your geometry from your arithmetic and your fractions from your logs? Let’s find out! Think of this as a math class without the quizzes, where every problem has a twist solution, every ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Time is a flat circle, Matthew McConaughey tells us, neglecting to explain how then we could measure time's circumference ...