Look at the entries for The Workplace and Biblical Hermeneutics here:
What's special about these two that, alone among the sites where I have accounts, their entries just say "Q&A for" without the rest of the description? The descriptions were there yesterday, possibly earlier today.
Edit: "View source" in my browser does not show the missing text, so this isn't a client-side rendering problem. It happens in two different browsers, one where I'm logged in and one where I'm not.