Chemists at Plymouth University have identified the sticky substance that has killed hundreds of sea birds off the Devon and Dorset coast.
Their findings suggest it's a form of Poly Isol Butene, or PIB, used as a lubricating additive in oils to improve performance.
Tamsin Eames reports:
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There's been a dramatic twist tonight in the plan to build a new nuclear power station at Hinkley Point on the Somerset coast.
The French energy firm has confirmed it will build two nuclear reactors at the site in Somerset.
Jeremiah Daliel graduated from the University of the West of England and kept a promise to his friends that he would stand up to graduate.