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A concrete developed by Dutch scientists and embedded with limestone-producing bacteria is ready to hit the market 
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... “Concrete without Quarries,” [is] a lab geared to help middle-school students learn valuable chemistry lessons based on life-friendly practices. The lab highlights alternatives to the energy-intensive and often-hazardous processes used in traditional school chemistry labs—the same processes used by industrial chemistry labs
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"Scientists in the Netherlands have created a bio-concrete blend with built-in bacteria that can patch up small cracks and holes in cement. Activated by water, the bacteria would eat food provided in the concrete mixture to combine calcium with oxygen and carbon dioxide to form what is essentially limestone."
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Recent earthquakes around the world have pushed engineering and architect to rethink and redevelop new strategies to reinforce concrete structures. Architect Wilfredo Mendez, is analyzing how bio-adapted structure made of concrete will behave when influenced by seismic forces. Mendez initial thoughts and conclusions have determined that concrete structures could be simulated and compared with the human femur bone. His design has been based on 'force-driven morphology, mechanical resilience and environmental adaptation'.
Check also: http://construction.about.com/b/2012/04/22/biotechnology-improving-buildings-earthquake-resistance.htm
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