Eight heads rose in a line on the track as a wave of sound and flash photography exploded around the stadium before crashing on to the most scrutinized piece of land on the planet like a tsunami.

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He used to be in charge at Geron and helped fund the research which led to first human embryonic stem cell line being created in 1998 and now heads another company, BioTime.

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Lawyers representing the alliance of pupils, heads and councils argued for the June exams to be regraded in line with exams taken in January when the boundaries were lower.

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But you can see why Brussels pointy heads would be bemused by the Prime Minister's "line in the sand".

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Motorists will be made to walk in a straight line and perform turns and estimate when 30 seconds is up with their heads tilted back.

BBC: Tests for drug drivers

But House and Price also tell fascinating stories of times when line managers banged heads with the founders--and managed to nudge the company in a wiser direction.

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An alliance of heads and teachers' unions is continuing to press for June's papers to be regraded in line with the January C-grade boundaries.

BBC: Thousands of pupils to resit English GCSEs