Possible Duplicate:
Blue highlighted questions, what are they?

Sometimes I see that some questions are highlighted with kind of light blue color on the main page of math.stackexchange

any explanation as to why they appear so?

  • $\begingroup$ Closing as duplicate. See especially the answer by Hendrik $\endgroup$ Aug 24 '11 at 15:20
  • $\begingroup$ @Willie: I didn't realize the system did that, but you're right, that's probably what Bhargav is experiencing. $\endgroup$ Aug 24 '11 at 15:26

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