Alan Turing will appear on the Bank of England's new ${\large\unicode{xA3}} 50$ note -- with a photo, a quote, and some lines from his 1936 paper in the Proceedings of the London Mathematical Society: ...

I think some political discussion is appropriate here. For instance, I thought "how to accelerate progress in mathematical research" was a good question. As one commentator pointed out, &...

When someone edits a post, it currently appears in the main list of questions with the editor's name and reputation. I propose that edits appear there with the original poster's or last answerer's ...

There is an "Open Letter on K-12 Mathematics" signed by some 750 people in the past two days, including various MathOverflow users (and two users with top-ten reputations). The letter ...

The minimum reputation for setting bounties is 75, which is less than the association bonus of 100. So any person with an association can immediately post a bounty. I suggest that the association ...

I'd add that the current help page on "What topics can I ask around here?" probably isn't helping. After the bolded phrase mathematical questions related to current research in mathematics ...

I use the StackExchange app, and I would like something similar which renders MathJax in question titles. That would create the MO app that I want. Here is what I see now in the StackExhange app:

The short versions of your two suggested meanings are: $$x,y\in S,\, x<y$$ or $$y\in S,\, x<y$$ Neither require much more typing or space than the original ambiguous expresion.

I would prefer the site without greetings and taglines. I would especially like to remove signatures with inserted "middle names", since I find them distracting and annoying. MathOverflow states ...