JOLIET, Ill. -- A video of a rapping math teacher in Joliet has gone viral. Cassie Crim is using her rapping skills to help her students learn math and motivate them, creating a video of herself ...

Learning math takes effort and can even feel uncomfortable, but moments of struggle and mistakes are part of the process. Research shows that productive struggle in math leads to better learning. But ...

Mathematicians spend most of their time thinking about what’s knowable. But the unknowable can be just as compelling. Perhaps the most famous example comes from a theorem by the logician Kurt Gödel.