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Living a green life can actually offer us a better quality of life on earth. Rep...
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Michelle, thank you for your comment -- I have corrected the article to reflect ...
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    • Flora of Napa County, California Featured Article Flora of Napa County, California Flora of Napa County, California

      Napa County is a rural 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 »

    • Serengeti Featured Article Serengeti Serengeti

      The Serengeti is a plain immediately south of the equator in eastern Africa covering over 30,000 square kilometers (12,000 square miles) east of Lake Victoria in northwestern... More »

    • West Nile Virus Featured Article West Nile Virus West Nile Virus

      Since 1999, more than 30,000 people in the United States have been reported as getting sick with West Nile virus. Infected mosquitoes spread West Nile virus (WNV) that can... More »

    • Weathering Featured Article Weathering Weathering

      Weathering is the breakdown and alteration of rocks and minerals at or near the Earth's surface into products that are more in equilibrium with the conditions found... More »

    • Llanos Featured Article Llanos Llanos

      In South America the savanna ecosystem covers a total of 269 million hectares (ha.) Most of it (76%) belongs to the Cerrados of Brazil but about 11% (28 million ha) form the... 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 »

    • Dudleya cymosa (Lem.) Britt. & Rose Featured Article Dudleya cymosa (Lem.) Britt. & Rose Dudleya cymosa (Lem.) Britt. & Rose

      Dudleya cymosa (Lem.) Britt. & Rose is a perennial low-growing succulent plant species that is endemic to California. Having a number of subspecies, this fleshy plant is... More »

Recently Updated
Succulent Karoo Last Updated on 2013-02-14 at 16:09 The Succulent Karoo exhibits a botanical diversity is unparalleled by any other arid region on Earth. This Southern Africa ecoregion is home to greater than 5000 higher plant... More »
Paleozoic Last Updated on 2013-02-11 at 20:40 The Paleozoic Era (from approximately 541 to 242 million years before present) is bracketed b More »
Cenozoic Last Updated on 2013-02-11 at 20:17 The Cenozoic Era (65 million years to the present) is the most recent of the three major subdivisions of animal history. The other two are the Paleozoic and Mesozoic. The... More »
Herbivore Last Updated on 2013-02-10 at 19:48 Introduction A herbivore is an animal that obtains its energy and nutrients by feeding on plants.  Different types of herbivores eat different plant parts.  For... More »
Nama Karoo Last Updated on 2013-02-10 at 19:42 The Nama Karoo is a vast, open, arid region dominated by low-shrub vegetation, punctuated by rugged relief. Although not remarkably rich in species or endemism, the flora and... More »
Fossil Last Updated on 2013-02-10 at 18:43   A fossil is the preserved remain of a lifeform that lived in prehistoric times. Most commonly fossils are mineralized parts or a whole organism which is no longer... More »
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