Crucially the bacteria can be grown in the lab without needing a fresh sample for each transplant.

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Drilling a few centimetres inside a rock provides a fresh sample that is free from the alteration that can occur at the surface as a result of weathering or radiation damage.

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The upscale Art Deco space draws stylish locals to check out the crowd and sample whatever is fresh on the big raw bar.

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We looked at the fresh front and found a theme, together roughed out an image, and he brought me a sample Friday.

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