Guardian: Scientists have used pioneering technology to examine in minute detail one of the world’s richest biodiversity "hot spots" and identify habitats that, if conserved, will protect the greatest number of species. High-resolution satellite images have been taken of the entire 226,657 square mile island of Madagascar, off the east coast of Africa, a renowned biodiversity "hot spot" where 80% of its 30,000 known species are endemic – that is, they are found nowhere else …