Lauren McGhee and Julie Davidson of St Joseph's primary in Helensburgh

(Photograph) - Lauren McGhee of St Joseph's primary in Helensburgh tries her best to keep classmate Julie Davidson awake at the young inventors' awards, held in Edinburgh as part of the recent inernational conference on education business partnerships. Lauren invented an alarm attached to a seat belt which sounds if the driver falls asleep at the wheel. Photograph by IAN MUNRO

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