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  1. Health & Medicine

    Vitamin C and diabetes: Risky mix?

    Vitamin C supplements may place people with diabetes at increased risk of heart disease.

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  2. 19493

    It seems interesting that undersea flows have at least one characteristic different from rivers: “While river floods on land can create natural levees a few meters tall, the levees formed by [undersea] turbidity currents can grow up to 100 m[eters] high.” There are several sites on Mars where channels with loops can be seen. Although […]

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  3. Earth

    Hidden Canyons

    Among Earth's unsung geological masterpieces are undersea canyons, some of which stretch hundreds of kilometers and can be deep enough to hold skyscrapers.