Filed Under (Scuba News) by admin on 20-11-2008
Shortfin mako sharks can shoot through the ocean at up to 50 miles per hour (80 kilometres an hour). Now a trick that helps them to reach such speeds has been discovered - the sharks can raise their scales to create tiny wells across the surface of their skin, reducing drag like the dimples on a golf ball. Tiny vortices or whirlpools formed within the cavities between the scales. These vortices form a kind of “buffer layer” between the skin’s surface and the fast moving fluid, preventing a turbulent wake from forming behind the shark.
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Filed Under (Uncategorized) by admin on 20-11-2008
After getting these skills, you will completely enjoy scuba diving in West Wales. Complete necessary training successfully and you’ll acquire globally with seamor.org
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Filed Under (Uncategorized) by admin on 19-11-2008
On October 3 2007, Direct-MS (http://www.direct-ms.org ), sponsored a public presentation by Dr. Loren Cordain of Colorado State University on the topic of “The Paleo Diet and Multiple Sclerosis” (en français: “Le régime Paléo…
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Filed Under (Uncategorized) by admin on 19-11-2008
Scuba (okay, not really self-contained) diving with hookah-type equipment.
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