The main problem with producing clear images of things buried in soil, she says, is getting enough energy in and out.

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To set up their "gravesites" to be tested, the researchers placed rat cadavers on top of or buried underneath soil in a number of compartments.

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We were only an hour into the patrol when Yaz detected a wire buried in the soil.

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The fungus itself consists of an almost microscopically fine web called a mycelium, made up of long, thread-like structures usually buried beneath the soil.

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Hundreds of thousands of people cheered him as he toured America in 1824, and when he died a decade later, he was buried in American soil that he had gathered at Bunker Hill.

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Federal contractors say that as long as it remains undisturbed, the soil poses no danger to people because it is buried under a concrete slab.

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