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Greg Osmond
May 10, 2013 09:05PM

I was watching two Minke whales for one hour today near my home in Woody Point, ...
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May 09, 2013 08:05PM

The Good Force be with you! Well done, Team Curiosity! Keep it up! Live fo...
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amazing !
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May 08, 2013 09:05PM

Documentation on the Seine barges in the 17th century is scant, but apparently m...

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Expert-reviewed information about the Earth.  For everyone.

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    • Serengeti Featured Article Serengeti Serengeti

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    • Nuclear power Featured Article Nuclear power Nuclear power

      Nuclear power is the generation of electricity from controlled reactions within the nucleii of atoms that release energy used to boil water, the steam from which drives a... 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 »

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      Introduction Algae comprise a diverse group of typically autotrophic organisms, ranging from unicellular to multicellular forms. The largest and most complex marine forms... More »

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New Caledonia rainforests Last Updated on 2013-05-21 at 18:04 The islands of New Caledonia contain some of the most distinctive plants in the world, with a large number of species, endemics, and an ancient character to much of the... More »
Balsam fir Last Updated on 2013-05-21 at 17:28 This plant guide on the Balsam fir, Pinus balsamea L., was chiefly prepared and contributed by the U.S. Department of Agriculture's Natural Resources Conservation... More »
Hawaii tropical dry forests Last Updated on 2013-05-21 at 16:59 Hawaii tropical dry forests typically occur on the leeward side of the principal Hawaiian Islands (that is the side not exposed to the prevailing winds as they come ashore),... More »
Mesoamerican Gulf-Caribbean mangroves Last Updated on 2013-05-21 at 15:19 The Mesoamerican Gulf-Caribbean mangroves occupy a long expanse of disjunctive coastal zone along the Caribbean Sea and Gulf of Mexico for portions of Central America and... More »
Bosporus Straits, Turkey Last Updated on 2013-05-21 at 12:23 The Bosporus or Bosphorus (also known as the Istanbul Strait) is a strait connecting the Black Sea with the Sea of Marmara (and beyond it, through the Dardenelles to the... More »
Redwood Sorrel Last Updated on 2013-05-20 at 18:13 Redwood Sorrel (Oxalis oregana) Redwood Sorrel is in the Oxalidaceae, the wood sorrel family, a relatively small family with three genera and 875 species of mostly tropical... More »
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