Australia is the world’s smallest continent. In total, it includes 2,967,909 square miles (7,686,884 square kilometers), which is slightly smaller than the country of Brazil .

The largest cell in the world is an ostrich’s egg. Before fertilization, the entire interior of the egg consists of a single cell, which is approximately 15 cm long and 13 cm wide and weighs up to 2.3 kgs (5 pounds).

The Panama Canal  is an artificial 82 km (51 mi) waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean.