All complex correlated systems, from Arctic melt ponds to the Internet, appear to be governed by the same math as a random matrix. In 1999, while sitting at a bus stop in Cuernavaca, Mexico, a Czech ...

We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

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