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All About Ozone

Source: The Environmental Protection AgencyI. The Ozone Layer The Earth's atmosphere is divided into several layers. The lowest region, the troposphere, extends from the Earth's surface up to about…

Valentine's Day by the Numbers

From the U.S. Census Bureau Find fun facts about Valentine's Day—a holiday centuries old that celebrates love—from who sent the first valentine to how many Americans send love messages today…

May Day

A cornucopia of holidays by Shmuel Ross Related Links Spring Poems Holidays Haymarket Square Riot   May 1st, often called May Day, just…

Understanding the Kurdish Conflict

Facts About the Struggle The Kurdish population stands at about 20-25 million. It is concentrated in the parts of eastern Turkey, Syria, Iran, and Iraq that make up the region known as Kurdistan…

Finding a Lost Pet

When your beloved dog or cat strays from home, it can be a traumatic experience for both of you. We offer the following tips to help you find your pet. Contact local animal shelters and…

Henry Heimlich's Contributions

The Question: When was the Heimlich maneuver first demonstrated? The Answer: Dr. Henry Heimlich is the Cincinnati surgeon who is credited with introducing the…

DK History: Middle East

WHY HAS THERE BEEN FIGHTING IN ISRAEL? WHO CAME TO POWER IN IRAQ? FIND OUT MOREThe Middle East saw much conflict during the last century. Its deserts contain the world’s biggest oil fields, which…