It seems obvious that moping around a bar is not a great way to pick up a cute guy or girl, but did you know that true happiness can not only make it easier to find someone for a first date, but can also increase your likelihood of finding and keeping a spouse? In 2001, L.A. Harker and Dacher Keltner took a look at some yearbook photos from the 1950s.

I spent a lot of quality time in college ragging on a few of my friends for playing hours upon hours of World of Warcraft.

Positivity has all sorts of good effects - one major one being the sense of oneness it creates among people. Literally, your brain changes how it sees the world.

In a city of millions, it comes as no surprise that New Yorkers are experts are remaining aloof and non-responsive – we simply turn up the volume on our headphones, burrowing deeper into our paperback, and do our very best to avoid eye contact.

According to the two very famous studies, Whitehall I and Whitehall II, one's rank in class, status, or heirarchy at work or in life have a dramatic influence on lifespan.