17-45 Segment 1: More Carbon Dioxide, Less Nutritious Food Crops


Rising levels of carbon dioxide in the atmosphere are making crops grow bigger & faster. However, researchers have found that these crops contain significantly lower levels of protein, iron, zinc, and other important nutrients, potentially endangering nutrition for hundreds of millions of people. Experts explain the effect will get worse as CO2 levels continue to rise, and what might be done to combat the problem.


  • Dr. Sam Myers, Principal Research Scientist and Director, Planetary Health Alliance, Harvard University
  • Dr. Kristie Ebi, Director, Center for Health and the Global Environment, Univ. of Washington

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16-19 Segment 2: Autism and Prodigies

16-19B Autism and Prodigies


Synopsis: Behavioral similarities between prodigies and some people with autism have long been noted. Now some researchers are beginning to find genetic links between the two phenomena. Experts discuss findings and their implications for autism treatment.

Click here for guest information, audio and the transcript