From the roaring Yangtze to the babbling Danube, row through our river of trivia and prove you’re current on water wisdom.
At the confluence of the Breg and Brigach in the Black Forest, the Danube begins in which country?
Germany
Each summer, nutrient runoff from the Mississippi River fuels a massive low-oxygen area in the Gulf of Mexico—what is this area commonly called?
Dead Zone
The Sumida River—known for boat cruises and a big summer fireworks festival—flows through which Japanese city?
Tokyo
Which shark, documented nearly 4,000 km up the Amazon to Iquitos, can thrive in both freshwater and saltwater?
Bull shark
Which three-word doctrine, introduced by the Zhou to justify toppling the Shang in the Yellow River valley, linked a ruler’s legitimacy to moral governance?
Mandate of Heaven