The artificial intelligence company, which is racing OpenAI to the stock market, has seen explosive growth over the last year thanks largely to technology that can automatically write computer code.

California’s public universities spent $16.9 million on A.I. during a financial crisis, and the result has been chaos.

The federal courts have long assumed that the government’s lawyers are trustworthy. Now judges across the country are criticizing their lack of candor.

Aid agencies are racing to help health workers in the Democratic Republic of Congo. The virus is known to have killed at least 43, but the true toll may be far higher.