Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

A, E, I, O, U, and sometimes Y. You might have learned it as a chant, a song, or a simple declaration, but this is how you learned the vowels of English. You may have wondered, why is Y so unsure of ...

The secret physics at the core of every syllable, starting with the first words we speak. Human language is an incredible thing: a combination of mouth sounds that we combine into words, sentences, ...

The rules for determining syllable boundaries should be applied in the following order. From this order better generalizations can be made. The ordering goes from the more specific to the less ...

LPs - but is one 'an LP' or 'a LP'? A question from Marta in Poland: I am writing to ask about indefinite articles before a consonant sound. I know this is the reason we say 'a university' although 'u ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. Two puzzles are presented each week: the Riddler Express for those ...

A question from Marta in Poland: I am writing to ask about indefinite articles before a consonant sound. I know this is the reason we say 'a university' although 'u' is a vowel. However, none of my ...