The International Information Center for Structural Engineers

There are Roman concrete breakwaters built more than 1,500 years ago that still stand strong, maybe even stronger now than they were back then. A team of scientists from USA, China and Italy have discovered the recipe of the Roman concrete: a mix of volcanic ash, lime (calcium oxide), seawater and lumps of volcanic rock. Their findings could help today's builders construct durable marine structures.

'Geowarn' was a European research program which was designed to explore the most dangerous areas in Europe.