Move over, Oxford comma. There is some new grammar guidance about which everyone is talking - I mean, grammar guidance everyone's talking about. Here's how Merriam-Webster puts it. It is permissible ...

In English, small but mighty words like "in," "on," "and," and "because" are essential for making our sentences clear and meaningful. Prepositions tell us the relationship between words, often ...

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.