Fungi can help concrete heal its own cracks

Could a secret ingredient make crumbling concrete a thing of the past? [[https://www.flickr.com/photos/8867046@N07/5055582945 m_e_mccarron]], [[http://creativecommons.org/licenses/by-sa/4.0/ CC BY-SA]]</span>Infrastructure supports and facilitates our daily lives - think of the roads we drive on, the bridges and tunnels that help transport people and freight, the office buildings where we work and the dams that provide the water we drink. But it's no secret that American infrastructure is aging and in desperate need of rehabilitation.
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