Dates are usually expressed with ordinal numbers. Sometimes, though, what we write is different from what we say.

Annette explains what colloquial contractions are, and shows us three popular ones: "kinda," "wanna," and "gonna." She tells us where these words come from and how they're used in context.

Watch this video featuring Alexander Pointer to learn the many ways of greeting people in English.

In this video teachers learn how they can create assignments for their students and how they can review their student’s progress.

Here are a few tips on using the dictation feature offered with Yabla videos. Sigrid puts it to good use as she works on improving her French.

Why do some of the national parks in the United States resemble the European Alps? Geologist Dr. Robert Darga answers this question.