A treated piece of wood resists absorbing water (left), while an untreated piece readily does so, changing color in the process (right)

While lumber certainly has many desirable qualities as a building material, it typically has to be pressure-treated with eco-unfriendly chemicals to keep from rotting. With that problem in mind, US scientists are working on a greener alternative – giving the wood a shot of metal oxide.

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Category: Science

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