It has been long thought that one of the characteristics that makes humans unique is our ability to learn and manipulate symbols for communication. However, this notion is starting to slowly unravel.

Most people in the math education space agree that students need to be fluent with basic math facts. By the time kids are in ...

As the semanticist S.I. Hayakawa stressed in his classic book Language in Thought and Action, words are not the things they represent. Words are symbols. It’s the manipulation of those symbols that ...