Big PIcture Science Radio Show: Happy Daze

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Happy DazeENCORE  Calling all pessimists! Your brain is wired for optimism! Yes, deep down, we’re all Pollyannas. So wipe that scowl off your face and discover the evolutionary advantage of thinking positive. Also, enjoy other smile-inducing research suggesting that if you crave happiness, you should do the opposite of what your brain tells you to do.

Plus, why a “well-being index” may replace Dow Jones as a metric for success … a Twitter study that predicts your next good mood … and whether our furry and finned animal friends can experience joy.

Guests: