1) The Andes, stretching along the western coast of South America, is the longest mountain range in the world, spanning over 4,300 miles (7,000 kilometers).

2) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.

3) Insurance policies often contain exclusions, which are specific events or circumstances that are not covered by the policy.

4) The name "Bluetooth" comes from the 10th-century Danish king, Harald Bluetooth, who united Denmark and Norway.