Fashion insiders and beauty magazines have long cited the “20-year-rule” — the idea that clothing trends often resurface every two decades. According to Northwestern University scientists, that ...

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It sounds extreme, but mathematicians have proven that no voting system can perfectly represent what people want. With three or more choices, every system runs into contradictions, unfair outcomes, or ...

Before his name became linked to one of the world’s most respected prizes, Alfred Nobel faced a far darker legacy. After seeing himself described as the “Merchant of Death,” he was forced to confront ...