Scientists confirm Zealandia, Earth's eighth continent, submerged almost two million square miles, with only 5% above water.

Recap the continents of the world and use a globe to find and name South America. Ask pupils to describe its location and discuss how it is joined through a narrow piece of land to North America.

The location ... and South America began to separate, causing rifts to emerge along pre-existing weaknesses and the south Atlantic Ocean fill the space between the two newly formed continents.

Roughly 9 million sq km (3.5 million sq miles) of South America have been covered in smoke at times, more than half of the continent, she said. Sao Paulo, the most populous city in the Western ...