3
A recent study aimed to find out how marine park dolphins actually felt about their life in captivity.
48
Albert Einstein's handwritten notes on the secret to living a happy life have resurfaced after 95 years.
16
According to researchers, stressing out over a lack of time is a leading cause of anxiety and depression.
19
Why do we sometimes burst in to tears when we are experiencing something overwhelmingly positive ?
12
There are at least 30 facial expressions for emotions that can be recognized anywhere in the world.
16
Scientists have been attempting to learn more about the way a dog communicates by wagging its tail.