Percival Zhang at Virginia Tech is looking at ways to produce hydrogen gas from biomass.

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But for now, Will Percival from the University of Portsmouth, a Dark Energy Survey collaborator, said DECam is an exciting prospect.

BBC: Dark energy camera snaps first images ahead of survey

Depending on which version of the Grail story you read, the Holy Grail was found either by Sir Galahad or by Sir Percival.

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Worcester handed debuts to three players, with South Africa-born Errie Claassens at full-back, Shaun Perry at scrum-half and James Percival in the second row.

BBC: Worcester 17-12 Sale

The Argentine playmaker did open the scoring after 15 minutes though with a well-struck penalty after Quins lock James Percival failed to roll away at a tackle.

BBC: Harlequins 5-6 Leinster

For example, BP has only been suspended from getting contracts from the Environmental Protection Agency but not the US government, which surprised many lawyers, said Mr Percival.

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During her research, Mrs Lowman consulted local expert Jeremy Percival.

BBC: Stamps celebrate Jersey's dolmens

Percival Zhang, an associate professor of biological systems engineering.

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Mr Percival said there were about 75, 000 dolmens worldwide.

BBC: Stamps celebrate Jersey's dolmens