World A Raft of Floating Rock Stuns Sailors. But Can It Save the Reef? August 27, 2019August 27, 2019LIVIA ALBECK-RIPKAComments Off on A Raft of Floating Rock Stuns Sailors. But Can It Save the Reef? Researchers are curious about whether marine life, hitching a ride on a raft of floating volcanic rock, could replenish the dying reef.