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DNA study reveals origin of world’s first pandemic
Scientists have deciphered the genome of the bacterium behind the world's first recorded pandemic that swept through the eastern Mediterranean about 1,500 years ago. Researchers found Yersinia pestis, ...
As Expo 2010 Shanghai gets under way, a look back at how international expositions have showcased our world’s progress and innovation The World's Fair — officially known as the Universal Exposition — ...
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