Using the human body as inspiration, scientists have created a new self-healing concrete prototype that “fixes” cracks while they’re still small, avoiding any compromise to the cracked structure's strength. The speed at which carbonic anhydrase, an enzyme in red blood cells, carries CO2 from cells to the bloodstream caught researchers’ attention, and they aimed to replicate this action to improve concrete’s durability. Research shows that when a crack occurs, the new concrete can repair it within 24 hours, which is a vast improvement from previous technologies which take up to a month to fix a crack. 

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Read more and even watch self-healing concrete at work here:

https://bit.ly/31LDIvH

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