The lead flashing will be replaced with a synthetic material as a temporary measure to avoid any further risk of theft.

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He first stops at the track, refurbished with synthetic material.

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Carbo Ceramics is a leader in making what's called ceramic proppant, which is the synthetic material, sand-based often, with chemicals that are injected into the fractured rock to hold open the cavities so the natural gas goes up into the piping that captures it.

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Crude oil, or its substitutes, will be produced for decades, but at an increasingly expensive tariff, both in terms of cost and energy, as it is sourced in the form of a heavy, sour (high-sulphur) material, or in synthetic form from tar-sands, shale and coal.

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The 36-year-old professor at Massachusetts Institute of Technology is the intellectual ringleader of a cadre of "synthetic biologists" who are building useful devices out of genetic material, much as bits of mortar or silicon are used to erect complex objects.

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Codon is aiming to become the leading player in a new field called "synthetic biology, " creating tools by which cells and their genetic material can be more precisely engineered in order to create new medicines and industry.

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In this research the scientists created a synthetic viral shell, but lacking its pathogenic RNA interior - the genetic material the virus uses to replicate itself.

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