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China renewed calls for an end to the fighting in the Middle East while demonstrating its influence over Tehran.
An experiment with roots at M.I.T. can assess coastal erosion patterns and harness them to pile up sand instead of washing it away. More projects are planned for Boston and Miami.
America’s position of global economic stability is starting to look shakier as the Trump administration piles on debt and doubles down on sanctions.
A math teacher’s viral post prompted a debate over the language, which some see as an optional skill — and a symbol of Western dominance.
The Houthis are increasingly using artificial intelligence and other tools to produce advanced weaponry on their own, making them less reliant on Iran.
The deal is part of the Trump administration’s more transactional approach to a close Russian ally that Europe has tried to isolate.
Canada and the European Union have been confronting an increasingly challenging relationship with the United States under President Trump.
Bill Gates, the foundation’s chairman, has been vocal about the dangers of artificial intelligence. The donation will be invested in A.I. projects to bridge social inequalities.
Rising oil prices helped push E.V. sales ahead of gas cars for the first time, even in a country that loves long road trips.
The focus on dystopian scenarios is shifting public discourse from present-day dangers to hypothetical futures, some experts say.