World leaders are meeting for the 29th time to address the causes and effects of climate change. These five questions and answers show how much our planet has already changed. #1 Which regions emit ...

A Cold War-era map made the harrowing prediction of what the United States would look like in the aftermath of a nuclear ...

Folk tales and beloved characters from cultures around the globe can are celebrated in popular books for young readers. Test your knowledge of them with this short quiz.