Although the concept of the common good has been subject to normative theorising for millennia, it is now widely understood as an "essentially contested concept," leading scholars to argue that, in ...

Robert Pepperell does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Researchers say that if you're worried about paradoxes in time travel, you shouldn't be. Based on a lot of complex math, the team says they've determined that paradoxes related to time travel would be ...

We are always solving problems, some of which have instantly obvious solutions and others that do not. In the latter case, the word puzzle comes to mind instead. A problem can be defined therefore as ...