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    • Benthos Featured Article Benthos Benthos

      Benthos is one of three major ecological groups into which marine organisms are divided, the other two being the nekton and the plankton. The benthos are organisms and... More »

    • Coral diseases Featured Article Coral diseases Coral diseases

      Coral diseases and diseases to other reef organisms are having significant, negative impacts on the structure, functioning and appearance of coral reefs. The number,... More »

    • Flora of Napa County, California Featured Article Flora of Napa County, California Flora of Napa County, California

      Napa County is a small county in northern California encompassing nearly 500,000 acres (200,000 hectares), about 0.5 % of the landmass of the state. It is located 25 miles (40... More »

    • Kattegat Featured Article Kattegat Kattegat

      The Kattegat is a shallow sea situated east of Denmark's Jutland peninsula and west of the southwestern landmass of Sweden. This low salinity water body is a connecting link... More »

    • Iran Featured Article Iran Iran

      Iran is a nation of over 78 million people in the Middle East, bordering the Gulf of Oman, the Persian Gulf, and the Caspian Sea, between Iraq and Pakistan Its major... More »

    • Lake Urmia Featured Article Lake Urmia Lake Urmia

      Lake Urmia is a shallow perennial inland salt water body in northwestern Iran. This lake is the second largest in the Middle East, measuring roughly 5000 square kilometers in... More »

    • Census of Emperor Penguins Featured News Census of Emperor Penguins Census of Emperor Penguins

      Scientists describe how they used Very High Resolution satellite images to estimate the number of penguins at each colony around the coastline of Antarctica. Scientists... More »

    • DNA Featured Article DNA DNA

      Deoxyribonucleic acid (DNA) is a long chain organic molecule that contains the coding for all metabolic and reproductive processes of all living organisms, save for certain... More »

    • Argon Featured Article Argon Argon

      Argon is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table (noble gases). Argon is present... More »

Recently Updated
The critically endangered dusky gopher frog, Rana... Last Updated on 2012-05-15 at 23:43 Introduction Amphibian species worldwide are in rapid decline. One of the most common reasons for this decline is the spread of the chytrid fungus. The dusky gopher frog... More »
Chile Last Updated on 2012-05-15 at 21:40 Chile is a nation of seventeen million people in South America, bordering the South Pacific Ocean, between Argentina and Peru. The country of Chile encompasses an extensive... More »
Countries and Regions of the World Collection Last Updated on 2012-05-15 at 20:57 The following is a list of countries and regions of the world. The 195 nations that are generally recognzed are numbered. Areas or regions that do not... More »
Limpopo River Last Updated on 2012-05-15 at 17:26 The Limpopo River is one of the great rivers of southern Africa, with a [catchment] basin of approximately 410,000 square kilometers. The human population in the Limpopo Basin... More »
Highveld grasslands Last Updated on 2012-05-15 at 17:24 Highveld grasslands cover a large portion of west-central South Africa. Grasslands all over the world have experienced dramatic habitat destruction as a result of anthropogenic... More »
Chad Last Updated on 2012-05-15 at 14:29 Chad is a landlocked  nation of nearly eleven million people in northern-central Africa, south of Libya. The country strectchs from the Sahara Desert in the north,... More »
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