Francesca Davis DiPiazza

Slovakia sits at the very center of the European continent. Fighting pollution today, this largely rural country fights to protect its many undeveloped forests and endangered wildlife.

Did you know that about 40 percent of the world's population lives without toilets? That's more than two billion people, most of whom live in rural areas or crowded urban slums. And according to the World Health Organization, diseases spread by the lack of basic sanitation kill more people every year than all forms of violence, including war. In particular, diarrheal diseases kill more than two million people each year, most of them children. Everyone...

When George Washington was twenty-two years old, he served as an officer in the British colonial army. He helped Great Britain in its struggle against France for control of North America. Both armies had set up forts and had formed alliances with the Native Americans, but until 1754, there had not been any battles. Everything changed when British soldiers ambushed the French at Fort Necessity on July 3. Within days, the French fought back, brutally...