Swansea University is involved in an International team, that's attempting to generate a self-healing road surface. Plant spores are added to bitumen. When cracks open, this asphalt quickly fuses back together. This could prevent damaging potholes developing, without any need for human intervention (https://www.theguardian.com/science/2025/feb/03/farewell-potholes-uk-team-invents-self-healing-road-surface). This seems another good example, of finding a solution to a human problem, by looking to the natural world. Engineers meet the Botanists!
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