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The conventional wisdom says NFL teams facing second-and-short yardage situations during a game should take a chance on a big play.

New trade routes in the Arctic mean unprecedented traffic and industrialization are likely to follow, so ��������’s Elise Miller-Hooks and her team of scientists will be taking a closer look at what that will mean for the region’s infrastructure and governance thanks to a $3 million National Science Foundation grant for a project called “An Expanding Global Maritime Network, Its Arctic Impacts and Reverberations.”