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Health care workers are bracing for a deadly January, and President-elect Joe Biden cautioned that "the next few weeks and months are going to be very tough."
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On the United Nations' new Planetary Pressures-Adjusted Human Development Index, the United States drops 45 places from its overall ranking, a reflection of the country's outsize environmental impact.
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The side-by-side tracks of two ancient animals have been called "by far the oldest vertebrate tracks in Grand Canyon."