1) The FIFA World Cup is the most-watched sporting event globally, with billions of viewers tuning in for the tournament held every four years.

2) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.

3) The Great Lakes, consisting of Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario, form the largest group of freshwater lakes on Earth by total area. They are shared by the United States and Canada and are of significant ecological and economic importance.

4) Mountains are important water sources, as they capture and store precipitation, feeding rivers and supporting ecosystems downstream.