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There may soon be no more potholes and cracks in roads. Scientists have thought of an innovative solution to fixing holes in roads and highways. They have created a bacteria-filled concrete to stop cracks getting bigger. The concrete has bacteria that open when water gets into a crack. The bacteria inject limestone into the crack to repair it. This avoids more serious damage. The discovery could make roads last longer and cut costs by up to 50 per cent.
The new concrete is good for the environment. Over seven per cent of CO2 emissions come from cement production. Less cement to repair roads means less pollution. The new cement will also reduce injuries and deaths that result from potholes. Thousands of people die because drivers swerve to avoid holes in roads. There is also good news for governments. They will save money in damages to cars because of bad roads.
Back to the potholes lesson.
