Humans have left their mark on virtually every place on the planet, from the deep sea to the peaks of the highest mountains. But a few very remote atolls in the Pacific Ocean may be exceptions. A new Frontiers in Marine Science study has found two coral atolls, Bikar and Bokak, located on the territ ory of the Marshall Islands, to be some of the most intact ecosystems remaining in the region and perhaps the world. ...read more read less