The patented process uses eggshells to soak up carbon dioxide from a reaction that produces hydrogen fuel. It also includes a unique method for peeling the collagen-containing membrane from the inside of the shells, so that the collagen can be used commercially.

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A programme to kick-start the use of internet communications in space has been announced by the US government. The Department of Defense's Iris project will put an internet router in space by the start of 2009.

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