He said he was so panicked that while he was aware he had the gel in a pocket, he forgot he also had a drink in his hand and walked out of the store.

BBC: Northampton

Instead of slabs of gel, it uses capillaries filled with a liquid polymer, so that continuous flow is possible without the need to change slabs.

ECONOMIST: Genetic warfare

And just as Gatorade and gel-cushioned trainers moved from the racetrack into the mainstream, so yesterday's cutting-edge technology, like graphics cards or online gaming, will filter down to the mainstream market.

ECONOMIST: Are video-gamers heading for the big money?