San Francisco Bay

A newly resurfaced account details the US Army's secret Cold War experiments in which bacteria were sprayed over the San Francisco Bay Area in the 1950s to test how biological agents could spread in a city. The operation, known as Serratia, exposed millions of residents without their knowledge and is drawing renewed attention and criticism online.

A new report alleges that so-called AI party houses in the San Francisco Bay Area, where young tech workers live and host events tied to the artificial intelligence boom, have been the site of wild parties, sexual harassment and rape. The allegations are drawing attention to the culture of the closely connected AI startup scene and raising questions about safety and accountability in these communal living arrangements.

An upscale retirement community in the San Francisco Bay Area is dealing with a series of disturbing incidents, according to the San Francisco Chronicle. The report says the community is grappling with the events, which have unsettled residents and drawn attention to safety at the facility. Details of the individual incidents have not been fully laid out.

Officials are expressing frustration after a controlled burn on Angel Island in the San Francisco Bay produced large amounts of smoke visible across the region. The prescribed fire, intended to reduce wildfire risk and manage vegetation, drew complaints as smoke drifted over nearby communities, prompting questions about planning, timing and public notification around the burn.