NPR's Ari Shapiro speaks with John McWhorter, Columbia University linguist and New York Times columnist about the recent Merriam-Webster declaration that English sentences may end with prepositions.

An authority on the English language has set us free from the tethers of what many have long regarded as a grammatical no-no. Or has it? The answer depends on how you side with a declaration from ...

Mzansi is buzzing over a Namibian teacher's funny lesson, where he uses creative methods to teach prepositions, winning hearts across social media.