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  1. 19869

    Recent reports of plastics such as dioxin and now bisphenol A make me wonder if there are any Alzheimer’s-linked aluminum ions or atoms or whatever floating around in our soda cans. Those glass bottles from yesteryear are starting to look very wholesome. Linda ZimmermanTorrance, Calif.

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  2. Animals

    Ferrets Gone Wild: Reintroduced animals coming back in Wyoming

    A Wyoming population of endangered black-footed ferrets, started from captive-bred animals, has survived difficulties and is doing well.

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  3. Health & Medicine

    Skeletal Discovery: Bone cells affect metabolism

    A protein made by bone cells has a surprising influence on energy metabolism, and could have a role in treating diabetes.