EVER SINCE the Dead Sea Scrolls were discovered by Bedouin shepherds in the 1940s, debate has raged over their exact age. The scrolls, which contain the earliest surviving copies of books from the ...

Six months ago DeepSeek, a Chinese artificial-intelligence (AI) firm, wowed the world with the v3 model and its successors. For the first time, a country other than America—and one that America had ...