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What is the scientific formula for making the perfect cup of tea? It's 70 years since George Orwell published his essay titled A Nice Cup of Tea, which included his eleven golden rules. Now Â鶹Éç iWonder is launching a guide based on the science behind the perfect brew. For starters, the Â鶹Éç asked Rajah Banarjee, who is one of India's most famous tea makers, and Kenyan tea connoisseurs in Nairobi for their tips for a perfect cup. (Pic: An Algerian man prepares tea over a fire in the Sahara; Credit: Getty Images)