1) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.

2) Cyclones are fueled by warm ocean waters and atmospheric conditions that allow the formation of thunderstorms.

3) The Renaissance period, which began in Italy in the 14th century, marked a renewed interest in art, literature, science, and philosophy.

4) The average person spends around six months of their lifetime waiting for red lights to turn green.