In research reported about 20 years ago, Happy appeared to recognize herself in a mirror. She was later the subject of a ...

Happy, a Bronx Zoo elephant who gave researchers new insight into the animal's behavior and became the crux of a closely ...

Happy made history in 2005 by passing a mirror self-recognition test, a milestone for elephant cognition research ...

Activists had sued in a bid to secure her the fundamental human right to bodily liberty. Zoo officials said she was well ...

If more people listened (and we mean really listened to) the lyrics of Pharrell Williams' chart-topping, Oscar-nominated 'Happy,' they might find their moods elevated. We've taken a deeper look at the ...

It’s one of the most popular questions on Google with more than 6 billion search results. If you want to know how to be happy, you’re not alone. Here are 20 tips for how to be happy and lead a happier ...

Happiness isn't always easy to pin down, but these happy quotes can help you cultivate a greater sense of ease. There's no magic trick to finding happiness, nor is there a single path that leads there ...