loggerhead

The two sides had been at loggerheads over a fee to allow British defence firms to access an enhanced share of loans issued under the pact.

All species moved noticeably slower through sargassum sections, with loggerheads showing the greatest reduction in speed.

Until recently, it remained unclear which of these two systems allows loggerhead hatchlings to determine where they are in the vast ocean, and the research team set out to investigate.

Unusually for a party usually at loggerheads with Swiss agriculture, the left-wing Greens agreed, criticising the prospect of "American beef pumped full of hormones and cut-price chlorinated chicken" appearing on supermarket shelves.

An impasse over Russian oil and imminent US sanctions has put Serbia at loggerheads with its traditional ally in Moscow.