The polar dog pulled the sled through the blizzard.

The polar dogs pulled the heavy sled across the frozen tundra before sunrise.

Before connecting the battery, check the electrical polarity at the terminals to avoid damaging the device.

The molecule is non-polar, so it dissolves in oils rather than water.

Geologists examined the magnetic polarities preserved in oceanic crust to determine the timing of seafloor spreading.

Linguistics students discussed polar antonyms during their semantics seminar.

Researchers observed that polar cods migrate earlier in the season due to warming waters.

This winter, unexpected polar vortexes brought record low temperatures to cities across the continent.

During winter, polar vortices can expand and send frigid air deep into populated regions, disrupting travel and power supplies.

On clear nights, the polar stars guided the sailors as they navigated the icy waters.