LiveScience: Madagascar, a large island in the Indian Ocean, may have only 1 percent of the world's land area, but it has an outsize 3 percent of its species. It is among the most diverse places for life on Earth. But the process that put Madagascar on this list the evolution of new species may have slowed down, a new study suggests. When it comes to the island's impressive biodiversity, "the formation of new species does not seem to be playing as important a role as it (did) in the past," Daniel Scantlebury,...