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Drilling for Sub-Seafloor Life

The Japanese deep-drilling vessel DV Chikyu can core up to 4000 metres below the seabed and in areas where there is a potential danger of striking oil or gas. Photo courtesy of the Japan Agency for Marine–Earth Science and Technology

The Japanese deep-drilling vessel DV Chikyu can core up to 4000 metres below the seabed and in areas where there is a potential danger of striking oil or gas. Photo courtesy of the Japan Agency for Marine–Earth Science and Technology

By Chris Yeats

Extreme sub-sea temperatures, noxious fumes and broken drilling rods made life difficult onboard a scientific expedition that set out to sample life deep beneath the sea.

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