Lonely Mars rovers, thankless twitter bots, abused delivery machines: robots don't have feelings, but these are history's saddest examples. reading time 1 minute The Chernobyl nuclear disaster was an ...

The region’s radiation can still be unpredictable—it clusters in “hot spots” rather than in one spread-out area—and can get kicked up if the land is disturbed. Last year, two wildfires broke out in ...