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.
The theory of evolution has been challenged by people who believe for religious reasons that the creatures of the earth were made, not evolved. Today another group is challenging evolutionary science. They say evolution isn’t a scientifically sound theory, and propose an intelligent design "force" has been at work. Two experts discuss these theories and their implications.
- Eugenie Scott executive director of the National Center for Science Education
- William Dembski associate research professor at Baylor University, and author of The Design Inference (Cambridge University Press)
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