SPORTS

Type and abundance of mouth bacteria linked to lung cancer risk in nonsmokers: Research

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Mysterious Japanese ‘keyhole’ tombs ‘bigger than pyramids’

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Samples from asteroid more than hoped for, Japan researchers say

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Groundbreaking archeological finds in Scotland recognized as best of the year

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China to open giant telescope to international scientists

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COVID-19 hits wildlife tourism market in India

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Drug suspect’s phone reveals stash to British cops

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An open-source and low-cost robotic arm for online education

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Alligator that survived Berlin WWII bombing on display in Moscow