Scientists conducted the test near the Challenger Deep, a small valley at the southern end of the trench about 11km under the surface. Photo: Weibo

Chinese scientists hear sound in Mariana Trench, deepest part of world’s oceans

Team sent out and retrieved 10km acoustic probe that could pick up sounds 9.3km away in a first for China that could have military applications

Topic |   China science

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Scientists conducted the test near the Challenger Deep, a small valley at the southern end of the trench about 11km under the surface. Photo: Weibo
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