The Science of Happiness badge was part of the “It's Your World - Change It!” badge set introduced in 2011. For the badges released in 2011, scouts must complete all of the activities listed to earn the badge. In this badge, you are the test subject and your life is your laboratory. You'll find out how scientists measure happiness, and you'll put their results into action. You'll also get to perform a happiness experiment on your friends or family - all with the goal of making your world…