Revolymer was born out of research from the University of Bristol, which apparently altered the stickiness of regular gum by changing its water-repellent qualities.

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Cosgrove and his team worked on altering the stickiness of regular gum by changing its water-repellent qualities, encouraging water to form a layer around the substance so that it could be more easily removed from most surfaces.

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Wearing hard-hat, paper mask, and gloves I walked around Ground Zero with ministry students giving bottles of water, Red Bull, and chewing gum to first-responders working the pile.

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Dentists are advised to use sterile water for patients with weakened immune systems and for those who undergo surgery where the gum line is cut.

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Black vinyl floors polka-dotted with chewing gum are overlooked by walls part covered with grey-beige corrugated metal and finished with brickwork rendered filthy by the water from above.

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