Seabird being washed
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Seabird deaths: 'Glue' is identified as polyisobutene

Scientists have identified the mystery substance which caused hundreds of seabirds to be washed up off the south coast of Cornwall, Devon and Dorset.

It is a chemical, polyisobutene, which is often used by ships to make their engines work more efficiently.

Duncan Kennedy reports from Chesil Beach in Dorset.

  • 06 Feb 2013
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