I was alarmed when Oliver’s father told Acosta during their follow-up conversation that Oliver “is going to start having followers,” suggesting an era of murdered children as influencers.

Imagine a merchant or scholar in the late 16th century. Could they have sketched even the bare contours of how Copernican science would end up deeply implicated in market-based capitalism?

It is indeed remarkable that an argument between astronomers over celestial motions would help reorder the political realities of a continent (and subsequently much of the world). That, however, is the power of planets in the human imagination. The Copernican Revolution’s historical impact was simultaneously deep and broad.That is why we must now pay attention to what we will call the “astrobiological turn” — the ongoing revolution in understanding life in the universe. It is this transformation in worldviews that underpins the new planetary cosmology underway today.

The tech start-up says the United States needs Silicon Valley to compete with China. Others fear a deadly arms race.

An aversion to risk-taking — and the breaking of traditions — mixed with a bravado and confidence in the power of the traditional fleet has severely hampered the Navy’s progress, several recently departed high-ranking Navy and Pentagon officials told The New York Times.“The U.S. Navy is arrogant,” said Lorin Selby, who retired this summer as a rear admiral and the chief of naval research after a 36-year career in which he helped run many of the Navy’s major acquisition units. “We have an arrogance about, we’ve got these aircraft carriers, we’ve got these amazing submarines. We don’t know anything else. And that is just wrong.”

European start-ups are racing to solve a problem with popular artificial intelligence chatbots: the quality of responses in languages other than English.