The $1-billion cement plant joins a fleet of similar, Dangote Cement-owned plants that are either under construction or recently finished in Nigeria, Ethiopia, Zambia, Cameroon, Tanzania, Senegal and South Africa.

Rusty cables, cut-up steel and column remnants lie in heaps along Interstate 95 as crews prepare for construction of the southbound half of the new Whittier Bridge.

Using powerful nanotechnology tools, a research team led by the Massachusetts Institute of Technology has successfully modeled the complex structure of calcium silica hydrate (CSH), the main binding material in cement and concrete.