Explore the enormity of World War II, including its causes, prominent battles, and historical figures, with an interactive map and timeline. Divided into each year from 1939 to 1945, as well as sections pre- and post-war, the resource...

Will human existence define an epoch? Many scientists think we are in a new epoch, the anthropocene, defined by humans and our impact on the environment. An online interactive demonstrates the immense impact humans have had on every part...