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What colors were dinosaurs?

Direct fossil evidence for dinosaur skin color is unknown. Paleontologists think that some dinosaurs likely had protective coloration, such as pale undersides to reduce shadows, irregular color…

Margaret Carlson

political commentator In 1988 Carlson left her position as managing editor of The New Republic, a liberal political magazine, to become a reporter at Time magazine, eventually being named a White…

Benjamin A. Rubin

Born: 1917Birthplace: New York City Bifurcated vaccination needle—Until 1967 smallpox killed at least 2 million people annually. In 1980 the World Health Organization declared that smallpox had…

Katie Couric

broadcast journalistBorn: 1/7/1957Birthplace: Arlington, Virginia A popular and respected morning news show host, she began her career with reporting and producing jobs for NBC affiliates in Miami…

Dinosaur Discoveries

Dinosaur News Fossil finds from the miniature to the monstrous by Holly Hartman and Borgna Brunner Recent years have been a news bonanza for dinosaur fans. With the discovery of…

June 2007

Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World Former…

The Gregorian Calendar—History

The Curious History of the Gregorian Calendar Eleven days that never were by Ben Snowden RELATED LINKS Leap Year Explained Ides of March Origins of…

A Confused Columbus

Pinpointing the explorer's whereabouts on October 12, 1492 by Borgna Brunner   Christopher Columbus The Voyages First Voyage, 1492-1493…

DK Science & Technology: Genetic Engineering

WHAT IS GENETIC VARIATION? HOW CAN WE MANIPULATE GENES? GM FOODCLONESSTEM CELLSFIND OUT MOREGenetic engineering is the manipulation of genes of living things. Scientists can now insert genes from…

Avian Flu in Pakistan and Indonesia

  by Liz Olson Pakistan Related Links Map: Pakistan Map: Indonesia An Overview of Avian Flu In December 2007, in the Peshawar area of Pakistan, the Ministry of…