Artificial light makes the modern world possible. But not all kinds of light are good for us. Electric light has fundamentally altered our lives, our bodies and the very nature of our sleep.
As vineyards proliferate around this farm town halfway between Los Angeles and San Francisco, residential wells are starting to go dry. Some are calling the plight of Paso Robles a good example of what's wrong with California's unregulated groundwater supply.
The practice of science is like the practice of juggling: it all depends on the skill and trust of partners. The late Terry Wright, professor emeritus at Sonoma State University, was an exemplar of the type.