Roman, Egyptian, and Chinese civilizations had many different ingenious inventions. Chocolate was a big aphrodisiac for Mesoamerican civilizations and used for energy. The first earthquake detector is ...

Discover the archaeological site believed to be the birthplace of China's earliest urban society. This video takes you to the heart of the first capital of ancient China’s known urban state—where ...

Ever since the Peace of Westphalia in 1648, the international order has been based on the nation-state. It was a European ...