If you have a good grasp of apostrophes, you probably notice that a lot of other people don’t. You could be forgiven for rolling your eyes at sentences like “The dog wagged it’s tail,” which ...

Let’s face it, grammar is more important for some people than for others. An ambulance driver probably has more important things to worry about than whether to hyphenate adverbs ending in “ly.” (FYI: ...

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It's Christmas! Celebrate by not doing violence to the laws of pluralization. Photo illustration by Slate. Photo by DK-photo/iStock. Nothing quells my Christmas cheer as quickly as a stray apostrophe.