Changing public attitudes have led to a decline in U.S. soda sales. But health expert Marion Nestle believes many people still consume unhealthy amounts of sugary drinks. She argues beverage companies are spending millions on research that misleads consumers.
DNA research techniques perfected in the 90s have created new opportunities for scientists to assist wildlife conservation efforts. A panel talks about the science behind this work and how it’s helped both animals and people.
- Dr. Kenneth Goddard lab director and forensic scientist at the National Fish and Wildlife Forensics Laboratory
- Dr. Rob Fleischer head of the molecular genetics lab at the National Zoo
- Dr. Stephen O'Brien chief of the Laboratory of Genomic Diversity at the National Cancer Institute
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