Teachers can use these tools to promote discussions and help students move from concrete to abstract understanding of concepts.

Jonathan Kwan is an Assistant Professor of Philosophy at New York University Abu Dhabi and was previously the Markkula Center’s Inclusive Excellence Postdoctoral Fellow in Immigration Ethics. Views ...

Acesulfame potassium is an artificial sweetener (also known as Ace-K). Artificial sweeteners have been controversial because of possible health risks. But some of these sugar substitutes offer you a ...