Latest Nubian Sandstone Stories
Ancient groundwater being tapped by Jordan, one of the 10 most water-deprived nations in the world, has been found to contain twenty times the radiation considered safe for drinking water in a new study by an international team of researchers.
Word of the Day
- A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.