BBC News - Key test for re-healable concrete

Key test for re-healable concrete By Paul Rincon Science editor, BBC News website

Bacterial spores are added to the concrete mix; they are activated by water Continue reading the main story Science of Materials

Huge boost for nanotubes on chips Striking image shows atomic bonds Scientists change colour of gold The materials that repair themselves Experimental concrete that patches up cracks by itself is to undergo outdoor testing.