Drone watches over Florida Keys marine sanctuary

Lt. j.g. Kyle Salling stood on the bow of a 24-foot boat in Florida Bay, holding what looked like a large model airplane. With the propellers gently whirling, and the small red and green aviation lights on, Sims launched ...

Where will future migrants come from?

In times of desperation—after a hurricane flattens a community, for example, or droughts cause widespread hunger—people inevitably search for better lives and better opportunities elsewhere. In some cases, migrants may ...

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