Separates the clauses of a compound sentence connected by a coordinating conjunction: A difference exists between the musical works of Handel and Haydn, and it is a difference worth noting. …
Growth ringsComplete babyStages of growthSome of the most exciting fossil finds over the last fifty years have been those that have something to do with young dinosaurs – their nests, eggs, or…
by Borgna Brunner When I started working on women's history about thirty years ago, the field did not exist. People didn't think that women had a history worth knowing. —Gerda Lerner,…
Visit an American treasure by Elissa Haney The National Park Service maintains hundreds of outdoor parks... . . . as well as historic areas in places as far-flung as Hawaii–where tourists can…
High Points and LowWeatherGoing in CirclesFeeling the PressureHigh Points and LowWhat Makes the Weather Go 'RoundWhat's in a Name?Scales of Motion Here we are talking about pressure, and the subject…
Hurricane ForecastingWeatherHurricanes: The Greatest Storms on EarthIt's Different in the TropicsHow It HappensThe Name GameHurricane ForecastingThe Triple Threat Because hurricane dynamics are…
When you hear string theory, you may think of really cool things like multiple dimensions … but what’s with the string part? And why is string theory so important? Well, if you ever wanted…
publisherBorn: 1782Birthplace: New York City Having opened his own print shop in 1807, he later expanded into publishing and published several well-known New Yorkers, including Washington Irving…
George W. Bush's secretary of Veterans' Affairs Born: 4/16/1944Birthplace: New York, N.Y. This is Principi's second time as head of Veterans' Affairs. He served as deputy secretary of the…
management educator, writerBorn: 1932Birthplace: Dublin, Ireland After studying at Oxford and becoming a manager at Shell Petroleum from 1956–65, he became an economist in London. He taught at the…
