The reindeer died on a mountain plateau in central Norway. "I don't remember hearing about lightning killing animals on this scale before," says a Norwegian environmental official.
Deaths in the U.S. from lightning strikes are up in 2015, compared with recent years. A convertible won't save you. Get inside at the first rumble of thunder, and stay away from plugged-in appliances.
Researchers writing in the journal Science say that if the rate of global warming goes unchecked, the frequency of lightning strikes will increase by 50 percent.