Edible carbon dioxide sponge

A year ago chemists published a recipe for a new class of nanostructures made of sugar, salt and alcohol. Now, the same team has discovered the edible compounds can efficiently detect, capture and store carbon dioxide. The porous crystals -- known as metal-organic frameworks -- are made from all-natural ingredients and simple to prepare, giving them a huge advantage over other MOFs, which are usually prepared from materials derived from crude oil.

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