So THAT'S How I remember Bieber Lyrics!

From Wired:

Do you struggle to remember the periodic table of elements, but have no trouble recalling all of the Pokemon? Can't find that French vocabulary word you crammed on the airplane to Paris, but still remember all the words to "We Didn't Start the Fire?" The reason we struggle with remembering some things and have trouble forgetting others, some experts say, might not be simply because some things are fun and others are boring. It could be because, paradoxically, we learn be