For studying the internal charging effects,need to mensurate these material characteristics accurately in laboratory.

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The female lays around 250 eggs in a hole in the soil a few centimetres below the surface. Each egg hatches into a pupoid - a brief, legless stage - then the juvenile form of the millipede appears.

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Master street artist Kurt Wenner's creations on cobbles and pavements across the world may look like they have been dug into the ground...

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It sleeps more than 12 hours a day, eats only choice leaves from eucalyptus trees (which can now be grown in many zoos to provide the more than one kilogram of leaves that each adult koala needs per day), and rarely if at all descends to the ground because it is such a slow runner (from wild Australian dogs called dingoes or from human hunters).

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