[The authorities in Wuhan, the site of one of the world’s largest experiments in self-driving cars, cited a “system failure” after widespread reports on Tuesday evening.

The atmosphere during preparations for the Jewish festival has been unusually subdued, with people afraid to stray far from their homes and shelters.

Commercial vessels are deploying high-tech sensors to map a shifting sea, providing critical data for scientists and some help for the industry.

At the Museum of Modern Art through April 7, audiences can enter and exit a screening of the 6½-hour film, which Jacobs began in the 1950s.

Israel has issued sweeping evacuation warnings, and pressed some Christian and Druse leaders to expel Shiite Muslims from their towns, the leaders said.

Investigators cited a possible technical malfunction.