Harvard researchers have discovered a new psychological capacity for cooperation. For decades, researchers have examined the psychology behind altruistic cooperation, when one person pays some cost to ...

I don’t know about you, but ever since I can remember – from my early teens – I have been bemused about the endless rituals we humans perform; and even more so about what can and can’t be said about ...

The everyday meaning of “common knowledge” is knowledge held in common, often as an open secret. For example, it is common knowledge that publishers like books that seek, via quirky examples, to ...

One of the most beautiful fields of game theory is called “Common Knowledge.” One of its basic insights is that situations in which two individuals know a certain evidence are intrinsically different ...

Once upon a time, the term “encyclopedia” implied a heavy set of bound volumes sitting on a bookshelf. It was an invaluable resource for fathers who wanted to discuss the French Revolution at the ...

Before boarding a flight to South Africa in 2013, Justine Sacco sent a sardonic joke to her 170 Twitter followers: “Going to Africa. Hope I don’t get AIDS. Just kidding—I’m white!” By the time her ...

Several months ago a committee of the Harvard Arts and Sciences faculty recommended changes in the university’s core curriculum, the required courses outside the students’ specialization. Although the ...

The Guidelines for Patent Examination (hereinafter referred to as the examination guidelines) introduce the concept of "common knowledge" in determining the inventive step of a claimed invention.