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A new science technique inspired by natural processes millions of years old could revolutionise public health care by allowing vaccines to be stored for years without refrigeration, British scientists announced on Tuesday.

The technology, modelled on desert plants' ability to survive drought, would spell radical improvements in medical access to children in developing countries who were previously too far from the so-called "cold chain" now needed for vaccines.

Bruce Roser, chief scientist at Cambridge Biostability, told the BBC his company had created the technology, called "stable liquid", based on anhydrobiosis, the process which allows cells to be preserved in a dried-out state.



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