Corals without Boarders

It's cold, dark, and there's no help from live-in algae

Tony Koslow is one of the authors of a new United Nations report on cold-water corals, yet he says he wasn’t giving them much thought as recently as a decade ago. These aren’t the coral reefs in vacation paradises of warm, sunny beaches, but the species that grow where sunlight can’t penetrate and temperatures stay downright chilly.