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Expert-reviewed information about the Earth.  For everyone.

    • 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 »

    • Panamá Featured Article Panamá Panamá

        Panama is a nation of three-and-a-half million people, located between Costa Rica to the north and Columbia to the south. Panama connects the continental land... 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 »

    • Sulfur Featured Article Sulfur Sulfur

      Sulfur (alternatively spelled sulphur) is the chemical element with  atomic number 16. The chemical symbol S is used in formulae and abbreviations. Sulfur has high abundance... More »

    • 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 »

    • Petrochemicals Featured Article Petrochemicals Petrochemicals

      Petrochemicals are chemical products made from the hydrocarbons present in raw natural gas and petroleum crude oil. The largest petrochemical manufacturing industries are to... More »

    • Jamaican dry forests Featured Article Jamaican dry forests Jamaican dry forests

      Jamaican dry forests is an ecoregion that covers a minority of the land area of the nation island of Jamaica, which ranks fifth among the Earth's islands in terms of endemic plant... More »

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Strait of Malacca Last Updated on 2013-05-19 at 18:27 The Strait of Malacca, located between Indonesia, Malaysia, and Singapore, links the Indian Ocean to the South China Sea and Persian Gulf. The length of the strait is about 800... More »
Suez Canal, Egypt Last Updated on 2013-05-16 at 22:09 The Suez Canal, Egypt (30°42?18?N, 32°20?39?E) is one of the world's most important waterways and its Sumed Pipeline is considered a significant... More »
Singapore Last Updated on 2013-05-16 at 21:21 Singapore is a small island nation with over five million people, separated from the southern tip of Peninsular Malaysia by the Straits of Jabor. It is the focal point for... More »
Strait of Hormuz Last Updated on 2013-05-16 at 13:16   The Strait of Hormuz (26°34'0.00"N,  56°15'0.00"E) a narrow passageway connecting the Persian Gulf with the Arabian Sea and separating... More »
Oil transit chokepoints Last Updated on 2013-05-16 at 12:45 World oil chokepoints for maritime transit of oil are a critical part of global energy security. About half of the world's oil production... More »
Get Involved with the Encyclopedia of Earth Last Updated on 2013-05-16 at 12:19 We are looking for authors who embrace the Encyclopedia of Earth quality standards, and who are willing to work under your real name in a dynamic, collaborative environment. We... More »
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