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Timeline: Olympics, 1990s - Present Day

From ancient Greece to the present day Previous | 1992 | 1994 | 1996 | 1998 | 2000 | 2002 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2018 | 2020 | 2022   Winter 1992 Albertville Winter…

The Weather and Your Mood

How much does the weather really affect your mood? by Jennie Wood Related Links America's Worst Cities for Spring Allergies, 2012 The Top 25 U.S. Cities with the Cleanest Air…

Homework Center: World

Subjects » Geography » History » Language Arts » Mathematics » Science » Social Studies Homework Skills Writing | Research Speaking & Listening Studying Reference Sources…

Places to See Before They Disappear

Endangered travel destinations around the world by Elizabeth Olson Glacier National Park Related Links Distinctive Destinations in the U.S. Extreme Vacations…

Blood Types

Not all blood is the same Human blood is grouped into four types: A, B, AB, and O. Each letter refers to a kind of antigen, or protein, on the surface of red blood cells. For example, the surface…

internal-combustion engine

(Encyclopedia) CE5 Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed…

The Top Ten: Least Polluting Cars, 2006

December 10 - 17 Least Polluting Cars, 2006 Rank Car Model MPG, City MPG, Highway Green Score 1. Honda Insight 57 56 57 2. Honda Civic GX 30 34 57 3. Toyota…

The Origins of Earth Day

On April 22nd, millions of people around the world will come together for the 52nd Earth Day celebration. This year’s theme is "Invest In Our Planet". It aims to persuade governments, businesses and…

March 2000 News and Events

World Britain Frees Gen. Augusto Pinochet (March 2): Drops extradition charges because of general's poor health. Former dictator, 84, heads home to Chile, where he is likely to face trial on human…

The Top Ten: Least Polluting Cars, 2007

December 10 - 17 Least Polluting Cars, 2007 Rank Car Model MPG, City MPG, Highway Green Score 1. Honda Civic GX 28 39 57 2. Toyota Prius 60 51 55 3. Honda Civic…