The science of a rivalry is an intricate thing.
Location. History. Talent. Attitude. Luck.
For most sports, each and every rivalry is a different and complex web of those factors—a delicate blend duplicated by no other two teams anywhere.
But for the the National Hockey League, each rivalry can almost always be traced back to one single root.
This time around, the 2012 Stanley Cup Playoffs shouldn't be any different.
Quite a few intriguing series await in a sure-to-be exciting first round, and a multitude of potential matchups will soon follow as the postseason progresses.
We won't know which longstanding enemies will indeed square off this year until the playoffs fully run their course, but it's impossible not to look forward to a few potential rivalry series this spring.
Which legendary hatreds could be revived in these 2012 NHL postseason? Here's a look at five rivalries we'd just love to see come to life sometime in the next two months.