The problem is that once you take Slytherin seriously as a real house in a functioning school, a bunch of things stop adding ...

And check out Shut Up & Write! on the Palo Alto Patch calendar ...

If you've got the time, we've got the riddle. And it's time for a riddle about time: How many numbers are on a clock?

AI systems are beginning to produce proof ideas that experts take seriously, even when final acceptance is still pending.