The national animal of Scotland is the unicorn.

The largest living structure on Earth is the Great Barrier Reef.

The Andes are one of the longest mountain ranges in the world.

Human population growth is slowing globally.

Urban populations now exceed rural populations worldwide.

The first novel ever written is widely considered to be 'The Tale of Genji', written by a Japanese woman around 1000 CE.

The Phoenician city of Tyre was built on an island.

The Irish Potato Famine caused Ireland's population to drop by 25% in just a decade through death and emigration.

The entire population of Earth in 1 AD was around 300 million — roughly equal to the current population of the United States.