Due to the increase in language-learning technology, learners of second languages can get exposure to the new language that weren't possible before, making it easier to learn a new language.

New research on language acquisition in babies leads scientists to believe that babies map sounds and critical aspects of their language before they begin speaking.

Swearing is used in many parts of everyday speech, but still has some great mysteries. What are the grammatical categories of different swear words? Why do we swear? Why is society so affected by swear words? Why are swear words bleeped out on television?

"Because" previously had two usages: finite clause or prepositional phrase. With changing language use, "because" has evolved as a preposition. Now, instead of saying "I need to do the dishes because I have chores" which uses "because" as a finite clause, now it's acceptable to say: "I need to do the dishes, because chores" which uses "because" as a preposition.