Hopes that shark cartilage would prove to be a useful treatment for cancer were not borne out in one of the most rigorously designed and executed studies of an alternative therapy ever conducted. Adding a drug derived from shark cartilage to standard cancer treatments did not improve survival among patients with late-stage lung cancer in the study.
"We think that this extremely rare creature is an early ancestor of squids, octopuses, and other cephalopods", says Martin Smith from the Department of Ecology & Evolutionary Biology at the University of Toronto.
"This is significant because it means that primitive cephalopods were around much earlier than we thought, and offers a reinterpretation of the long-held origins of this important group of marine animals."
According to the Swedish Heritage Act findings from within the Swedish economic zone has to be handed over to the Swedish government if they were salvaged by a Swedish vessel or transferred to Swedish territory. The salvage team has now transferred the sculpture to the Swedish National Maritime Museums, which intend to display the sculpture at the National Maritime Museum.
Researchers have known for years that juvenile fish use sound as a cue to find coral reefs. But Dr Steve Simpson, Senior Researcher in the University of Bristol's School of Biological Sciences, and his Dutch collaborators in Curaçao were amazed to find that coral larvae--which must quickly find a safe place to land and establish a colony or they will die--can do the same thing.
According to the first-ever mangrove species assessment conducted by the IUCN Red List, 11 of the world’s 70 mangrove species are threatened with extinction, including two which were listed as Critically Endangered. Species were evaluated by mangrove specialists and the Global Marine Species Assessment Unit (GMSA), a joint venture between the IUCN and Conservation International.