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NEW DELHI: Instant messaging app like Whatsapp and social networks are the first things that most consumers check on their smartphones in the morning, a study by professional services firm Deloitte said. According to Deloitte’s Mobile Consumer Survey 2015, about 78% of respondents owning smartphones said they checked their phones within 15 minutes of waking…

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A tooth fossil discovered in a Siberian cave has yielded DNA from a vanished branch of the human tree, mysterious cousins called the Denisovans, scientists said Monday. Their analysis pushes back the oldest known evidence for Denisovans by 60,000 years, suggesting that the species was able to thrive in harsh climates for thousands of generations….

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WASHINGTON — The Renwick Gallery, housed in an ornate, 156-year-old confection here that was the first American building constructed as a public art museum, begins a new chapter in its history on Friday. After being shuttered for two years, the Renwick, the part of the Smithsonian American Art Museum that is dedicated to craft and…