Sugar Substitutes; The Methane Digester; The History of Tea

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Our resident omnivore, Jon Gold, takes curries to new heights with his Indian restaurant pick.  Neuroscience historian Will Clower shares his insights on the safety of sugar substitutes.   Albert Straus takes us to his family's creamery, where they're turning cow manure into electricity.  Australian winemaker Chris Hatcher makes a case for screw tops on wine bottles.  Author Beatrice Hohenegger sheds light on the surprisingly controversial history of tea.  Linda Buettner improves the quality of life for those with dementia by bringing them into the kitchen, and Tony Nester teaches teaches us how to survive off-grid.

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