Looks to be weekdays vs. weekends.

Yes, www.qcksrv.com, I'm even getting it for news.ycombinator.com. Came here to see if anyone knew anything.

Just started getting it from news.ycombinator.com myself. I have tried searching Google with not much help. The only thing I found was a topic on Yahoo Answers with multiple people reporting the same issue tonight.

Really great work, +1 for a subscription mode.

As a further feature request, it would be really great to be able to flag/vote a diff as alarming, so it could be highlighted for more people can notice it. For example, this diff by Geico is pretty questionable:

https://www.docracy.com/doc/diff?originalId=0ihn8solvd3&...

Zephyr: Glad it's useful. It's actually super simple, and github would be overkill. It simply extracts the active query from the open page and redirects to scholar. The complete script is:

"javascript:location = 'http://scholar.google.com/scholar?q= + escape(document.forms[0].elements['q'].value);"

I made the webpage with a description and drag-able bookmarklet in order to help non-coding researchers easily add it to their browsers.

Yep, thanks for outlining the exact use case!