It's natural for humans to pay attention to all their romantic options, and new research shows Facebook helps them do that.
The president was all about GIFs, Flash, and #C5B358, but it wasn’t until the rise of the mobile web that he really found a home online.
Why it's so tempting to throw trash on the ground, and how environmentalists are using psychology to change that
The psychology of rituals in overcoming loss, restoring broken order