No longer content with being just “Hollywood North,” the Canadian screen industry is asserting itself and telling its own stories.

Much of the discussion about artificial intelligence focuses on economic disruption. But it could reshape political life, too.

Aviation start-ups and the Trump administration want to replace helicopters with electric aircraft, but the new vehicles still have to pass arduous tests before the public can use them.

Citing national security, an unusual executive order gave protection to the herbicide Roundup. It also protected the U.S.’s only supply of a controversial, highly flammable munition.

The ban is to take effect March 28, according to a government minister, but details about how it would be carried out were scarce.

Chinese policymakers and the public have expressed high levels of optimism about A.I., even as many in the West worry about the technology’s effects on employment or humanity in general.