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.
Tag: state parks
A citizen science group is asking hikers to use their smartphones help study how Mt. Diablo State Park is recovering from last year's Morgan Fire.
By the end of the century, the Bay Area's landscape could look more like Southern California's, raising tough questions for land managers trying to preserve parks and open space.