Robots plunge to the twilight zone, find new reefs

High-tech underwater robots have helped discover new areas of the Great Barrier Reef.

“These reefs occur in an area known as the mesophotic zone, or ‘twilight zone’ because of the lower light levels found there. They have been virtually unexplored because the reefs occur well below the depths accessible to most scuba divers,” Researcher Tom Bridge said.

Read more at James Cook University