Although less common than Salmonella or Campylobacter, Shigella is a significant cause of foodborne disease. Shigella is responsible for 10% to 20% of cases of bacterial foodborne illness each year in the United States.
A century later, it continues to be a marvel in modern engineering. The LA Aqueduct brought water from the Owens Valley hundreds of miles away to a growing area in need of additional resources to sustain its people and their endeavors, helping spur an economy that today rivals that of many nations.
Where the Valley Is Sinking. A large system of canals, reservoirs and pipelines brings water to farms in the Central Valley of California. But when surface water is limited, as it is during the current drought, farmers drill wells to pull water up from underground. As aquifers shrink, the surrounding land often sags.