Discover what science has to say about it, and everything will begin to make sense.
Learn all about the science of happiness and what this means for your everyday life. This could be a game changer for you!
See the amazing and emotional footage of two identical people meeting for the first time.
See what happens when they finally see each other face-to-face.
See what they discovered on her cell phone.
Things get out of control when New Yorkers see this happening.
This video is simply beautiful.