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.
Two cave explorers – once rivals, now co-authors – tell the story of their discoveries in Kentucky’s Mammoth Cave, which is three times longer than any other cave in the world.
- Roger Brucker Author
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