EcoWatch: In Argentina baby whales have been dying off the coast in increasingly high numbers for the past decade and no one has known exactly why. "The average number of right whale deaths per year at Peninsula Valdes jumped more than 10-fold, from fewer than six per year before 2005 to 65 per year from 2005 to 2014," reports National Oceanic and Atmospheric Administration (NOAA) Fisheries West Coast Region. "Even more striking," they say, "90 percent of the deaths from 2005 to 2014 were very young calves...