Beyond the Abyss: Deep Sea Creatures Build Their Homes from Materials That Sink from Near the Ocean Surface

News -
14 Feb 2010 - 18 Jan 2016
Evidence from the Challenger Deep -- the deepest surveyed point in the world's oceans -- suggests that tiny single-celled creatures called foraminifera living at extreme depths of more than ten kilometres build their homes using material that sinks down from near the ocean surface.