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Scuba News ..because we can’t be underwater all the time Archive for August, 2006 « Previous Entries Next Entries » Diving in Greece: Update Sunday, August 20th, 2006 Discover which dive operators in Greece are the most highly recommended. Also, more write ups of Greek dive sites are at the SCUBA Travel site. Posted in Diving | Comments Off Narwhal’s tooth senses temperature, pressure and particles Sunday, August 20th, 2006 For hundreds of years scientists have wondered why the narwhal, or unicorn, whale have an 8-foot-long tooth emerging from its head. The answer is that the narwhal's tooth is a sensor which can detect changes in water temperature, pressure and particle gradients. Because these whales can detect particle gradients in water, they are capable of discerning the salinity of the water, which could help them survive in their Arctic ice environment. It also allows the whales to detect water particles characteristic of the fish that constitute their diet. There is no comparison known in nature. Posted in Diving | Comments Off Can Fire Coral cause Kidney Disorder? Sunday, August 20th, 2006 A case has been reported of woman scuba diver developing a kidney disorder after being exposurd to fire coral (Millepora species), according to an article published in the American Journal of Kidney Diseases. Posted in Diving | Comments Off Stinging Fire Coral Sunday, August 20th, 2006 Fire corals sting divers who brush their skin against them, causing burning and itching. If this happens to you rinse with seawater and apply vinegar or methylated alcohol on the affected area. Colonies of fire coral are extremely important in building coral reefs. However, they are not true corals. They are, in fact, hydroids. There are several species, with different growth forms. Some look like plates, some are encrusting but maybe the most familiar is the branching form. Divers come across fire corals on reefs throughout the world, in sheltered and exposed sites, in shallow and deep water. They are often at the reef edge as they can withstand rough waters. Look at the orientation of the coral branches: they grow so as to minimise their exposure to the waves. Posted in Diving | Comments Off Unspoilt Diving in East Timor Sunday, August 20th, 2006 Find out about the untouched and remote diving in East Timor with newly updated guide to the dives and operators there. "The best diving I have ever seen. A whole island of walls, currents, pelagics and critters. Untouched for thousands of years" Posted in Diving | Comments Off Fingernail Furrows Found on Saturation Divers Sunday, August 20th, 2006 A researcher has noted transverse furrows, or Beau's lines, in the fingernails of all 6 divers following a deep saturation dive to a pressure equal to 335 meters of sea water. Beau's lines have been reported in numerous medical conditions such as typhus and malaria but this is the first report of Beau's lines associated with saturation diving. Posted in Diving | Comments Off « Previous Entries Next Entries »

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