South Korea fires: 18 dead as acting president speaks of ‘unprecedented damage’ | South Korea

Wind-driven wildfires that were among South Korea’s worst ever are ravaging southern regions, killing 18 people, destroying more than 200 structures and forcing 27,000 people to evacuate, officials said on Wednesday. Han Duck-soo, South Korea’s prime minister and acting president, said five days of fires had caused “unprecedented damage” and asked agencies tackling the disaster…

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How A.I. Chatbots Like ChatGPT and DeepSeek Reason

In September, OpenAI unveiled a new version of ChatGPT designed to reason through tasks involving math, science and computer programming. Unlike previous versions of the chatbot, this new technology could spend time “thinking” through complex problems before settling on an answer. Soon, the company said its new reasoning technology had outperformed the industry’s leading systems…

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