When I look at the list of people having gained the 'Student' badge, the list is full of unavailable questions, from July 7th onwards on page 2.
- jul 7 at 6:37 (post deleted or otherwise unavailable) — John Wordsworth 1133
- jul 6 at 22:38 How to calculate the vector of an interception? — NobbZ 266
The same bug occurs in StackOverflow, from page 205 onwards (at time of edit).
- jul 7 at 2:49 (post deleted or otherwise unavailable) — Keval Prabhu 62
- jul 7 at 2:24 IE9 - HTML5 MP4 playback problem: Weird color difference — Laust Deleuran 465
It seems that something happened between 2:49 and 2:24 on july the 7th...