Researchers have discovered how to transform carbon dioxide into sustainable building materials. This innovation could reduce ...

This strange white paste might not look like much, but it might help solve the sand shortage, while making the cement ...

Red lead, oil, sand, and limestone dust, in some form, ,.over every compound of it. 50 parts by measure, of clean dry sand ; 50 of limestone (not burned) reduced to grains like sand, or marble ...

PRELIMINARY research findings in the Nyerere National Park and the Selous Game Reserve show the existence of various minerals ...

The sound of waves crashing on the sand and rocks, and the screeching ... blast water through crevices in the Anastasia limestone, which gave the preserve its name. My son regularly climbs ...