There’s a scientific reason your favorite songs make you feel happy — or sad. Watch Scarlet Keys’ TED Talk on the brain science behind how certain melodies makes us feel — and how they become part of our memories: http://t.ted.com/8vzkz1C | TED

“For the meaning you have in your life — you should feel a deep gratitude for the people who have allowed you to participate in the story that was not your own.” Watch Brian S. Lowery’s full talk here: http://t.ted.com/95RQX5P | TED