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Shark skin has been used by many cultures as sandpaper. It's kept shipmates safe in slippery-when-wet conditions. Swimsuits modeled on shark skin are said by Speedo to reduce drag by up to 4 percent. Now, research by two separate groups could lead to synthetic shark skin that would make ships and submarines faster and less expensive to operate.
Buddha is shown symbolically through a wheel or footprints as well as Mahayan symbols. The Eight-Spoked Dharma Wheel portrays, In which the Buddha is turning the Wheel of Truth. It is the most important of all the buddhism symbols. Footprints represents the physical presence of Buddha.
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During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
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<u>risiysyoetistosi</u><u> </u><u>ektekydoyoyeo</u>
