(ABC News)--Police across the country are used to solving puzzles, but one Ohio police department recently got a plea for help from a local girl seeking to solve a puzzle of a more mathematical bent.

The deceptively simple equation that would typically be given to a fifth grader has gone viral after it was shared by user @BholanathDutta on X (formerly Twitter). He posted a photo of the equation ...

Working memory is like a mental chalkboard we use to store temporary information while executing other tasks. Scientists worked with more than 200 elementary students to test their working memory, ...