Could a secret ingredient make crumbling concrete a thing of the past?
Adding a bit of fungus to the initial ingredient list might be one way to endow concrete with the ability to fill in any bits of damage that occur, without the need for human intervention.
Franco visits Barcelona in 1942. Carlos Pérez de Rozas
Devoting all energies to fight over an imaginary border deflects attention from the real issues.
With some tweaks to the recipe, cement and concrete can be made kinder to the planet.
Cement has a huge greenhouse footprint, largely because the chemical process by which it is made releases carbon dioxide. But there are several different ways for cement to green up its act.
Has carbon capture and storage been tarnished by its association with the coal industry?
Peabody Energy/Wikimedia Commons
Carbon capture and storage gets a bad rap from its associations with 'clean coal'. But the technology could prove vital in cutting emissions from other industries like steel, cement and chemicals.
Illustration of pressure sensing bacteria in soils from the ‘Computational Colloids Project’.
Carolina Ramirez-Figuroa, Luis Hernan and Martyn Dade-Robertson
Bacteria can produce their own 'buildings' so scientists are genetically engineering them to build ours.
Can you ever have too much cement?
The world’s biggest cement producers Lafarge and Holcim have announced plans to merge. In an industry with strong economies of scale that already pumps out more cement than the world needs, consolidation…