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Demis Hassabis, the chief executive of Google DeepMind, says that "we're quite close" to human-level artificial intelligence. After that, all bets are off.

The president threatened both Apple and the European Union with higher tariffs on social media Friday morning, saying that trade talks with the Europeans had stalled.

The measure, passed by the House, would roll back incentives for people to buy electric vehicles and for automakers to make them in the U.S.

Elon Musk, who owns X, previously sued the liberal group over claims that it tried to damage his social media company's relationship with advertisers.

As part of a new partnership, G42, an Emirati A.I. firm, will also help fund OpenAI's new computer facilities in the United States.

Dozens of A.I.-related regulations enacted in the past two years now lead to fines, incarceration and legal challenges from the likes of Elon Musk.

The social media company called only a handful of witnesses as it sought to prove it helped Instagram and WhatsApp after acquiring them.

Ms. Powell Jobs has privately said her philanthropy needed to practice more austerity, according to people who heard her remarks.

A summer reading insert recommended made-up titles by real authors such as Isabel Allende and Delia Owens. The Sun-Times and The Philadelphia Inquirer have apologized.

OpenAI said it was buying io, a start-up founded by Mr. Ive, the designer of the iPhone, to usher in a new era of artificial intelligence hardware.