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    • Sea turtle migration clarified Featured News Sea turtle migration clarified Sea turtle migration clarified

      New insights by researchers reveal how young loggerhead sea turtles stay on course during one of the longest and most spectacular migrations on Earth. Questions About... More »

    • 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 »

    • Japan Featured Article Japan Japan

      Japan is a nation on 127 million people in Eastern Asia; an island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. Japan is... More »

    • European otter Featured Article European otter European otter

      The European otter (Lutra lutra) is a broadly distributed marine mammal found in both marine and freshwater systems over considerable portions of Europe, Asia and North Africa;... 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 »

    • Earth's atmosphere Featured Article Earth's atmosphere Earth's atmosphere

      The Earth's atmosphere is an envelope of gas that surrounds the Earth and extends from the Earth's surface out thousands of kilometres, becoming increasingly thinner (less dense)... More »

    • Measuring personal environmental exposures Featured Article Measuring personal environmental exposures Measuring personal environmental exposures

      Increasingly, tools and methodologies have begun to emerge that hold promise for capturing information about at least some of the environmental exposures that an individual may...

      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 »

Recently Updated
A U.S.-Centric Chronology of the International Climate... Last Updated on 2012-05-19 at 18:03 Introduction This summary provides an overview of the position the United States has taken in international agreements on climate change, including the United Nations... More »
Less rainfall for drought-sensitive Southern... Last Updated on 2012-05-19 at 17:57 Increasing aridity could lead to major problems for societies and ecosystems in already-arid places. Dead Ahead: Less Rainfall for Drought-Sensitive Southern Hemisphere... More »
A Greener Future for our Nation Last Updated on 2012-05-19 at 17:56 Cultivating the Seeds of Knowledge: Growing a Greener Future for our Nation As the bitter chill of winter retreats, the vibrancy of spring beckons us outdoors reminding... More »
The critically endangered dusky gopher frog,... Last Updated on 2012-05-19 at 10:17 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 Lithobates sevosus... More »
Amur River Last Updated on 2012-05-19 at 01:29 The Amur River, considered the Earth's tenth largest watercourse, has its headwaters in western Manchuria and mouth at the Strait of Tartary, which connects the Sea of... More »
Oak Last Updated on 2012-05-18 at 19:16 Oaks are trees and shrubs in the Fagaceae family, which also includes beeches, chestnuts, and chinquapins. The genus of oaks, with the scientific name Quercus, is broadly... More »
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