Because of the availability of soda…

Because of the availability of soda fountains in the Eastern US when soft drinks became popular, Easterners referred to the drink as soda. As the midwest did not yet have them, the drink was called pop because of the sound a cork or cap makes when being removed from a bottle.

Because babies listen to the languages spoken around…

Because babies listen to the languages spoken around them while still in the womb, they develop distinctive cries that reflect this when they’re born. Thus – babies cry with an accent, making it possible to distinguish a French baby from a German baby, based purely on the way they cry.