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Science  08 Apr 2011:
Vol. 332, Issue 6026, pp. 155-157
DOI: 10.1126/science.332.6026.155-b

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The biggest animals ever to walk the Earth are about to invade the Big Apple. A new scanning-and-prototyping technique has helped to explain why Knut, the world-famous polar bear, died suddenly in front of hundreds of shocked visitors to the Berlin Zoological Garden last month. And this week's numbers quantify India's population and the zettabytes of business-related information processed by the world's computer servers in 2008.