ocr: Ch the spring of 1996 Itraveled to the Interuniversity Institute marine labi at Elat, where David and. Ifor the first time took ultraviolet-filtered HMI lights into the ocean. Corals were placed in trays FLINGIA SCRUPOSAL HULTAAMIOLET under a pier, shielded from day- light. Most were later returned to the deep, where they would re-cement themselves to the reef. We photographed each coral with both standard. flash and ultraviolet light. The difference was. spectacular. Thisi is the 11th Red: Sea story that DAVID DOUBILET and Israeli naturalist David Fridman have collaborated on since 1972. PLAT ...