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Carboniferous period

(Encyclopedia) Carboniferous periodCarboniferous periodkärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to…

State Department Notes on United Kingdom

U.S. Department of State Background Note Index: People History Government Political Conditions Economy Defense and Foreign Relations U.S.-United Kingdom Relations PEOPLEThe United Kingdom's…

Roundup of Recent Science Discoveries, 1997

Was Three Company? Past evidence uncovered in Israel and France has shown that Neanderthals lived on Earth at the same time as modern Homo sapiens. Neanderthals were found to have lived about 34,…

Human Evolution

—By Karen Barss The story of human evolution began in Africa about six million years ago and it describes the very long process that our ancestors went through to ultimately become modern humans.…

DK People & Places: Southern South America

HOW LONG IS THE AMAZON RIVER? WHAT ARE THE PAMPAS? WHAT ARE FAVELAS? DO NATIVE INDIANS STILL LIVE IN THE RAINFORESTS? WHAT IS SOUTH AMERICA’S MOST SOUTHERLY TOWN? WHY HAVE SO MANY EUROPEANS…

Roundup of Recent Science Discoveries, 2002

—Holly HartmanMystery Skull In July 2002, an international team led by French paleontologist Michel Brunet announced the discovery of a humanlike skull that may be up to seven million years old,…

Important Speeches in U.S. History

Here are some important speeches that influenced the course of history. by Jennie Wood Related Links Top 100 American Speeches of the Twentieth CenturyNotable Speeches and Addresses by U.…

Northwest Passage

(Encyclopedia) Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oceans. Even though the explorers of…

climate

(Encyclopedia) climate, average condition of the atmosphere near the earth's surface over a long period of time, taking into account temperature, precipitation (see rain), humidity, wind, barometric…