Bacterial spores are added to the concrete mix and they are activated by water.
A concrete that patches up cracks by itself is to undergo outdoor testing. The experimental concrete contains limestone-producing bacteria, which are activated by corrosive rainwater working its way into the structure. This new material could potentially increase the service life of the concrete – with considerable cost savings as a result.
Continue reading… “Re-healable concrete to undergo key outdoor testing”
Venice, Italy, is a city in perpetual flood. But sinking buildings have put this 1,300-year-old urban marvel in peril.
Venice could be saved from sinking into the sea by releasing fat globules similar to olive oil into the water that are ‘programmed’ to form limestone reefs, say architects.
Continue reading… “‘Smart Salad Dressing’ Could Keep Venice from Sinking”
A limestone countertop, a practiced eye and Google Earth all played roles in the discovery of a trove of fossils that may shed light on the origins of African wildlife.
Continue reading… “Google Earth Plays A Role In Discovery Of Early African Mammal Fossils”
Believe it or not but there are lots of so-called educated people who believe that there is no evidence of the existence of Jesus as a historical figure. Despite all the written evidence they have persisted in their arguments. Recently, a limestone box containing bones was found in Israel….
Continue reading… “Limestone Box Of Bones Israel”