วันพุธที่ 29 ตุลาคม พ.ศ. 2551

Radix auricularia


... that the freshwater snail Radix auricularia (pictured) serves as a host to numerous parasites, some of which can infect humans?
... that an intense rivalry between composers Francisco Asenjo Barbieri and Emilio Arrieta helped rekindle the popularity of Spanish opera during the mid 19th century?
... that USS Philippines (CB-4) and USS Puerto Rico (CB-5) were scheduled to be the fourth and fifth of six Alaska-class "large cruisers" of the U.S. Navy, but were canceled prior to construction?
... that tin(IV) fluoride, a chemical compound of tin and fluorine, is used in toothpaste to prevent dental decay?
... that the largest group of Asian residents in Germany are Vietnamese, totalling 83,526 people as of 2004?
... that Against All Odds is a video game developed by the Office of the United Nations High Commissioner for Refugees designed to teach players about the plight of refugees?
... that Dorothy Miner was acknowledged as the person "who helped establish the legal right to designate landmarks" in the U.S. for her role in Penn Central Transportation Co. v. New York City?

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