Sir, Edward Luce raises a valid criticism of tax avoidance strategies employed by Facebook and other Silicon Valley giants (“What Zuckerberg could learn from Buffett”, December 5). But Warren Buffett ...

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 ...

After Brendan Smith's latest brush with the law last week, I suggested that the young man seriously needs to get his head on straight, and when the mainstream media picked up on Smith's disorderly ...