Scientists are designing a snakeskin-like protective suit that would shield its wearers against a chemical or biological attack.
A cancer-causing chemical banned more than three decades ago is turning up in baby products found nationwide.
Fremont police and fire department were called to a hazmat scene near two hospitals after a woman apparently released chemicals inside a car in an apparent suicide.
The leak was reported at a water treatment in St. Helena on Saturday afternoon.
San Francisco Police and fire crews responded to San Francisco State University where several officers were exposed to a harmful substance.