Here are the top 10 priciest US natural disasters in billions of 2013 dollars adjusted for inflation, according to the National Oceanic and Atmospheric Administration.
Aviation schools are gearing up to teach students how to fly drones. Dozens of schools now offer courses in what's known as UAS — unmanned aircraft systems — which range from drones as big as small planes to 2-foot-wide mini-helicopters. Embry-Riddle now offers the first UAS master's degree program.
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