transparent frog whose organs can be seen through its skins is seen at a laboratory of Hiroshima University's Institute for Amphibian Biology in Hiroshima, western Japan, in this photograph released by the institute September 25, 2007. Japanese scientists have bred transparent frogs whose internal organs can be seen through their skins, giving researchers of diseases such as cancer insight into organ growth and development. Picture taken March 27, 2006. [Reuters]

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