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Possible Record Breaking 'Dead Zone' Predicted for the Gulf of Mexico

Scientists are predicting a possible record breaking dead zone or area of water with little or no oxygen this summer in the Gulf of Mexico.  The Director of NOAA’s Center for Sponsored Coastal Ocean Research joins us to tell us more about this dire prediction. A new exhibit at the Smithsonian's National Museum of Natural History in Washington celebrates genetic research. We'll hear how India is using its railway system for not only transportation - but as a vehicle to teach children science.