Guiana Shield is equally rich and 13,367 species of vascular plants have been found, approximately 40% of which is considered endemic. The shield is overlain by the largest expanse of tropical forest on any Precambrian shield area in the world. Guianan rain forest is similar in nature to Amazonian rain forest and known protected areas include the Iwokrama Forest of central Guyana, Kaieteur, Kanuku National Park of southern Guyana, the UNESCO World Heritage Site Central Suriname Nature Reserve of Suriname, the Guiana Amazonian Park in French Guiana and the Tumucumaque National Park in the Amapá State of Brazil. In Venezuela the forests
Now What? (House) week behind the fourth season premiere of "The Big Bang Theory," which was watched by 3.11 million viewers. "Now What?" debuted new opening credits. The following full-time cast members are retained: Jennifer Morrison no longer appears, as she was written out of the show during season six. Now What? (House) "Now What?" is the first episode of the seventh season of the American medical drama series "House". It first aired on September 20, 2010, on Fox. In the aftermath of last season's finale in which House and Cuddy admitted they had feelings for each other, the seventh season opener finds