1) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.

2) The world's oldest known recipe is for beer and is over 4,000 years old.

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

4) The Industrial Revolution, which began in the 18th century, brought about significant changes in agriculture, manufacturing, mining, and transportation.