Six-time USA Memory champion Nelson Dellis has memorized hundreds of digits of pi. He has tips for how to improve your memory.
Chinese mathematician Wei Dongyi, a two-time IMO gold medalist who once turned down Harvard, is also known for his frugal lifestyle, reportedly spending less than 300 yuan (US$44) a month in Beijing.
As AI systems began acing traditional tests, researchers realized those benchmarks were no longer tough enough. In response, nearly 1,000 experts created Humanity’s Last Exam, a massive 2,500-question ...
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