Add a dash of titanium dioxide for self-cleaning walls, displays and garden furniture

For many people, the onset of warmer weather can mean pulling out the ol' scrubbing brush and getting to work on the slimy film of moss, algae, fungi and bacteria that has built up on the garden furniture over the colder months. But we may soon be able to say goodbye to this tiresome chore thanks to researchers at Fraunhofer who are developing coatings that would be activated by the sun’s rays to destroy organic substances attaching themselves to various surfaces.

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