A vervet can warn its fellow monkeys about an approaching predator by giving a leopard or eagle call, and everyone will take appropriate evasive action. But one vervet can’t tell another vervet, “I ...

We break down what roles different types of words and phrases play within a sentence. There are many theories of syntax and different ways to represent grammatical structures, but one of the simplest ...

Contrary to popular belief, commas don't just signify pauses in a sentence. In fact, precise rules govern when to use this punctuation mark. When followed, they lay the groundwork for clear written ...