1) The world's longest traffic jam occurred in China in 2010 and lasted for 12 days, stretching over 60 miles (97 km).

2) The Indian Ocean is the third-largest ocean and is characterized by its warm waters and diverse marine life.

3) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

4) The world's first paper money was created in China over 1,000 years ago.