Is it beneficial to regularly read papers outside your field? What do you think about regularly reading papers outside one's own field, even those which are not related to one's area? My intuition is that it can give a totally different perspective or technique that may help someone in solving his or her own problems. But at the same time I am a bit skeptical about it as it will be a waste of time if the new knowledge doesn't help him in his own work.
What are your thoughts on this? Is there any other way one can look for results unrelated to his own work? What about TCS+ series?
Understanding papers outside your field can be surprisingly difficult --- every field develops its own specialized terminology and shared background knowledge. A much better advice I once received from a very productive researcher was: Try to attend research seminars outside your field. These are typically more accessible than "cold" paper reads, and you have the advantage of being able to interactively ask questions. Just talking to people about their research can be extremely useful as well. You'll occasionally hear stories about how someone from field A happened to join a lunch table with people from field B and realized that he has the tools to solve their long-standing open problem (or, conversely, they have a tool to solve his).