In this paper we describe two episodes of instructional interaction, in which examples are used in order to help students face their misconceptions. We introduce the notions of pivotal example and ...

Sungho Choi has criticised Michael Strevens’s counterexample to David Lewis’s final theory of “token” causation, causation as “influence.” I argue that, even if Choi’s points are correct, Strevens’s ...

A new paper explores community-supported agriculture and its survival in the face of economic globalization. Organic food was once an economic haven for small farms who distributed their goods ...

When Hannah Cairo started showing up at Berkeley Math Circle meetings as a teenager, nobody was betting she would topple a ...

A Navy SEAL climbs up a ladder attached to the side of a gas and oil platform during training. “I serve with honor on and off the battlefield… I lead by example in all situations.” –Navy SEAL Creed ...