The popular Internet prank, known as “rickrolling”, tricks users into opening the music video for the hit song by Rick Astley instead of the content they expect. It originated in the mid-2000s.

Last December, several members of a national organization for math education leaders came together to issue a warning. A growing movement in the field, they claimed, was calling on schools to adopt an ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...