A 36ft-tall DNA model has now been officially recognised as the world's largest.
The model of over 1,500 atoms was built to mark National Science Week. It was unveiled at the Potteries Shopping Centre in Stoke-on-Trent.
It was made as a joint venture between Keele University in Staffordshire and Daresbury Laboratory.
The Guinness Book of World Records has told Ananova it has approved the model as a world record maker.
The model will remain on display at the shopping centre until next Monday when it will then seek a new home.
Project leader Dr Graeme Jones of Keele University said: "It was awe inspiring to see the model grow. The model builders did an amazing job, building the model with all its 250 base pairs in only six and a quarter hours. It will now stand for one week and be taken down on Monday the 18th of March. After that we have no firm plans for the monster model and we are open to offers."
Base pair units of the model were made by 3000 school children from Staffordshire and Cheshire and celebrities from science, politics and the arts.
The project received funding from the Engineering and Physical Sciences Research Council (EPSRC), Science Year and the Royal Society of Chemistry.
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