Whatever the cause, it is indisputable that bureaucrats have a deep suspicion of the way things appear. This suspicion manifests itself in the way bureaucrats write, in their reluctance to say that ...

All those long multiplication tables. Timed tests and “mad minutes” of worksheet problem-solving. Fluency drills. Somehow, getting kids to know their basic math facts continues to be at the heart of ...

A new proof about prime numbers illuminates the subtle relationship between addition and multiplication — and raises hopes for progress on the famous abc conjecture. One morning last November, the ...