Haiti became the world's first Black republic after a revolution. Now, after an assassination, it's more fragile than ever.

Pixar's new film "Soul" is light and approachable, despite weighty themes. It raises questions about the identity of oneself.

How do you know if you're eating the proteins your body truly needs? Here's the difference between essential and non-essential amino acids.

In 1945, the US not only stopped the Shōwa emperor from abdicating, but also presented him as utterly blameless for the war crimes. Why?

The field of psychology is seeing more robust research techniques than before, with focus on positive psychology. What led to these changes?