The R.V.s are seen as an eyesore — the most visible sign of the state’s homelessness crisis. Neighbors and politicians want them gone. The people who call them home feel under siege.

A term first used in philosophy and cognitive science circles has lately taken on a more ominous cast. Moo.

The government’s A.I. Security Institute, staffed by alumni from OpenAI and Google, is becoming a model for countries grappling with A.I.’s emerging risks.

A shortage of naphtha, stemming from the blockade of the Strait of Hormuz, is disrupting manufacturing and retail goods in Japan and South Korea.

The industry has grown rapidly, straining state budgets. A focus on finances has led to overbilling, fraud and even harm.

A rapidly growing industry often overprescribes treatment to young children with autism, who spend as many as 40 hours a week at the facilities.

Friendship and money don’t always mix. But many Americans feel comfortable discussing financial issues with their friends and lending them money.

Iran is trying to assert its control over the strait by charging for passage. Experts say it is unlikely to happen, but the threat has unsettled the shipping industry.

A chemical leak occurred at one of the company’s manufacturing plants in California, raising concerns about an explosion.