His new book, Churn: The Tension That Divides Us and How to Overcome It, serves as a kind of sequel to Whistling Vivaldi.

Arizona basketball's Anthony Dell'Orso late-season re-emergence may not have anything to do with anything at all on the floor. It could just be because his folks are around.

👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e.