The Great Emu War of 1932 involved Australian soldiers attempting to reduce emu populations.

Urban populations now exceed rural populations worldwide.

Mount Everest is not the closest point to space — that distinction belongs to Mount Chimborazo in Ecuador, due to Earth's equatorial bulge.

Skara Brae is a prehistoric settlement in Scotland.

Countries with extremely high tax rates sometimes collect less revenue than countries with moderate tax rates.

In 1932, Australia deployed machine guns against flocks of emus during the Emu War.

The ocean contains structures larger than mountain ranges.

Russia spans 11 time zones — more than any other country.

Australia is wider than the Moon.