India's 'twin town' phenomenon
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In this edition, we go to "twin town" in India. The number of twins born in the village of Kodinhi is nearly 6 times the national average. Doctors are trying to figure why. But first, we head to Nepal where a devastating earthquake has claimed thousands of lives and left tens of thousands more homeless.
Also, four decades after the end of the Vietnam war, one woman is taking America's biggest chemicals companies to court.
Finally, we take a closer look at the rising attacks and religious desecrations threatening Pakistan's dwindling Sikh community.