“Of the estimated 16,000 spring-run Chinook that made the journey from the Golden Gate Bridge to this curve in a creek and others like it across the Central Valley, about 14,500 have died.” WaPo (gift article for ND readers): California’s disappearing salmon.

+ “To see how summer nights have gotten hotter in recent decades, we charted 60 years of daily weather data from nearly 250 U.S. airports that have kept consistent weather records.” NYT (gift article for ND readers): Why We’re Experiencing So Many Unusually Hot Summer Nights.