Rate This

Average: 4.3/5

Recent Comments

Greg Osmond
May 10, 2013 09:05PM

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

The Good Force be with you! Well done, Team Curiosity! Keep it up! Live fo...
shaymaa elgbaly
May 09, 2013 01:05AM

amazing !
C Michael Hogan
May 08, 2013 09:05PM

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

New Members

fae eva
May 7, 2013
Devin Knight
May 7, 2013
asmar husein
May 7, 2013
Nur Azarina Khamis
May 7, 2013
Françoise L'HEVEDEER
May 6, 2013

 
Expert-reviewed information about the Earth.  For everyone.

    • 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 »

    • 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 »

    • Ecological pyramids Featured Article Ecological pyramids Ecological pyramids

      Ecological pyramids are diagrams that illustrate how ecologically important factors, such as energy, biomass, and population size, vary between trophic levels in an ecosystem.... 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 »

    • 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 »

    • 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 »

Recently Updated
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 »
Hawaii tropical dry forests Last Updated on 2013-05-21 at 06:07 Hawaii tropical dry forests typically occurred on the leeward side of the main islands and once covered the summit regions of the smaller islands. Most native lowland forests... 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 »
Suez Canal, Egypt Last Updated on 2013-05-20 at 13:48 The Suez Canal is located in Egypt west of the Sinai Peninsula, connects Port Said on the Mediterranean Sea with the port of Suez on the Red Sea, and provides an essentially... More »
Strait of Hormuz Last Updated on 2013-05-20 at 13:48 Located between Oman and Iran, the Strait of Hormuz (26°34'0.00"N,  56°15'0.00"E) connects the Persian Gulf with the Gulf of Oman and the Arabian... More »
  • Articles Articles
  • Blog Blog Posts
  • Gallery Galleries
  • News News
  • Resources Resources
  • Media Videos
  • Include Content from all Sub-Sections
Type Title Author Date
Retrieving data...