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

The letter K is easy to pronounce, but there's an important exception when it's combined with one other letter in particular. Can you guess which?

Sigrid introduces the letter "L" and gives us lots of examples of how it is used in words. The tricky thing is knowing when the "L" is silent.

Anna explains when we use the present continuous, or present progressive tense and gives us some examples.

Sigrid talks about a different way to say "OK," which involves the letter "L." Not everyone pronounces "L" the same way, and it can be hard to understand sometimes.

Sigrid talks about some important words starting with "M" and gives us some tips about using many and much with countable and uncountable nouns.

This song from Schoolhouse Rock is to help kids understand about bones. Without bones, we're just blobs. It was written by George Newall and sung by Jack Sheldon.

At the University of Sydney, physicist Derek Muller explores the possibility of an anti-gravity wheel through a series of field tests.

Like the letter "M," "N" is almost singable. Sigrid gives you some tips about some very important words containing the letter "N."

The letter "O" is a tricky vowel, because there are several ways to pronounce it, both when it's single and when it's double!

Annette explains three more colloquial contractions people use in everyday conversation: gotta [got to], gotcha [got you], and dunno [don't know]. She also gives us examples in context.

Most of the time "P" is simply pronounced like a "P," but there are a few cases in which "P" is silent. Sigrid gives us plenty of examples of handy words with "P."

The consonant "Q" is a special letter. We almost never find it without a "U" following it. Sigrid gives us plenty of examples of how it's used.

The letter "R" is difficult to pronounce for lots of people, even native speakers. Sigrid shows us how "R" sounds in different kinds of words.

The letter "S" has a couple of different sounds. It's a very important letter because it's used to form the plural of many nouns as well as the third person singular of verbs.