Cambridge Springs Public Library

For thousands of years, the general consensus among learned people was that Earth was the center of the universe. This belief system remained unchallenged until a quiet, unassuming man wondered if his predecessors had gotten it wrong. The father of modern astronomy, Nicolaus Copernicus was a doctor, church canon, and protector of lands. In his free time, he studied the night sky, spending over thirty years observing and recording the heavens. In this...

America has always been a nation of immigrants. In addition to the approximately 1 million immigrants who enter the United States legally each year, millions more enter without documentation or overstay their visas. It is the job of Customs and Border Protection (CBP) to help hard working immigrants in search of a better life to enter the U.S. legally while keeping out terrorists and other foreign nationals who would seek to harm the nation. CBP,...