For instance take a look at this question:
What technology can result from such expensive experiment as undertaken in CERN?
Currently the top most answer has just 2 upvotes while a couple of 30-odd upvoted answers and even a 50 upvote answer is simply hidden away at the bottom. I'm finding this a recurring feature in several questions and it always puzzles me! Why doesn't Physics SE sort answers the same way as other SE sites?