Some argue that your position in the birth order influences your career, intelligence, and even personality. But how much of this is based on scientific evidence, and how much is merely a stereotype? We explore the intriguing—and sometimes controversial—effects of birth order. Where do you fit in your family lineup, and does it truly make a difference? / Heart to Heart - please send your audio questions to [email protected] (18:03). On the show: Heyang, Steve Hatherly & Yushun