I was similarly curious too. You may find http://hn.algolia.com http://hn.algolia.com of interest to look through, to see the kinds of things HN tends to upvot

I was similarly curious too. You may find http://hn.algolia.com http://hn.algolia.com of interest to look through, to see the kinds of things HN tends to upvote, and the kind of things that tend to get passed by. Different things attract different levels of attention and fascination on here. It can actually be quite interesting to observe. This is just a fascinating artefact of the HN hivemind collective interest, I guess.