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What the Research Actually Says About Fluoride in Drinking Water
Season 11
Episode 2
Alex went on a mission to find out once and for all what the research actually says and what the off-camera experts have to say about fluoride.
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How Pee Helped Win the Revolutionary War (Maybe...)
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One element is the backbone of all forms of life we’ve ever discovered on Earth: carbon.
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We explain how plants communicate, their chemical response to being damaged, and more.
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White, Green, Black, and Oolong Tea: What's the Difference?