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China surpassed the United States for the first time as the world's largest spender on research and development in 2024, according to a new report. The shift marks a symbolic milestone in the long-running competition between the two powers over technological leadership, with commentators weighing what it means for innovation in areas like semiconductors, artificial intelligence and clean energy.

A developer has launched Clova, an email application built on an unusual premise: each inbox accepts messages from only one designated sender. The idea is to eliminate spam, newsletters and unwanted mail entirely by requiring a one-to-one relationship between sender and recipient. The project is drawing attention among technology enthusiasts for its radical approach to inbox management, with commenters debating whether such strict limits could work for everyday communication or only niche uses.