The primary force at play when a block slides down an inclined plane is gravity. Gravity acts vertically downwards, pulling ...

Ibram X. Kendi is a professor of history, director of the Antiracist Research & Policy Center at American University, and author of How to Be an Antiracist. To fix the original sin of racism, ...

Who doesn’t love a good math holiday? Most people know about Pi Day (3/14), but there are even rarer days on the calendar ...

Right Triangles: One angle is 90 degrees, and additional information is provided. Let's explore how to solve each of these ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...