Fish story for the ages: High schooler unearths rare fossil

Each summer, the University of Chicago welcomes high school students from around the world for a unique course on paleontology, which culminates with two weeks of fieldwork spent hunting for fossils.

NASA scientists fly over Greenland to track melting ice

The fields of rippling ice 500 feet below the NASA plane give way to the blue-green of water dotted with irregular chunks of bleached-white ice, some the size of battleships, some as tall as 15-story buildings.

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