Countries of the World

Eye activity can be used to measure many things in medical situations, especially if the patient is non-verbal. The way eyes move and focus can also be a way to convey messages outside of medical fields, like how looking at the area near someone's collar is a sign of respect in some Western Pacific countries.

Space is spectacularly vast. Scientists and astronomers estimate that there are between 200-400 million stars in our galaxy, The Milky Way, alone. How many galaxies are there? Though no one can be certain, it is believed that there are billions of galaxies. The number of stars is truly immeasurable.

The word ‘labyrinth’ comes from the Ancient Greek and means something that is unsolvable or impossible to get out of. You can also use the word ‘labyrinthine’ in English to describe something that is incredibly complex.