Test your IQ with this math riddle!! California teens admit they were hired as cartel hitmen, plead guilty to murder 'Avatar' star Sigourney Weaver admits she ignored her mom's harsh warning that ...

A seemingly easy math puzzle making the rounds on the internet may not be all that it seems as the simple solution requires somewhat complex thinking. The brain-teaser, which has gone viral on X ...

Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...

Katia Riddle is a correspondent on NPR's science desk. Prior to her current role, she covered public health including reproductive rights and homelessness. She won a 2024 Gracie Award for a series on ...

When Mrs. Smith is murdered, every suspect has a plausible alibi—or so it seems. Can you solve the viral "Who killed Mrs. Smith?" riddle? It possesses all those delicious bells and whistles that help ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...