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As tourists celebrate the high-end vintage shops, the evocative street art and chic eateries of Roma Norte, one of Mexico City’s trendiest neighborhoods, Mariana de Miguel can’t help but resent its overcrowded nature. Instead of avoiding it altogether, the singer-songwriter,…

Two scientists won the Nobel Prize in physiology or medicine on Monday for their discovery of microRNA, tiny bits of genetic material that serve as on and off switches inside cells that help control what the cells do and when…