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Figure 5A shows representative images of lung sections of mice exposed to room air or tobacco smoke for 12 and 24 weeks

A first-of-its-kind Bay Area home sale may change how Californians buy houses It's a 'miracle' that the Bay Area's 100-year-old swimming pool still stands Bay Area mountain summit to open to public after decades off limits The luckiest gas station in San Francisco Get SFGATE's top stories sent to your inbox by signing up for The Daily newsletter here.

Some contaminants are more difficult for activated carbon to capture efficiently

There are not many aspects of human nutrition that attract more controversies than the question of whether we should eat meat or not

They seek unique ways to make a distinction