"Disinterested" and "uninterested" have different meanings, but people are starting to confuse them. Grammar Girl has a trick for getting them right. 

Although the "in-" prefix can be negative, it's not in this case. Grammar Girl explains this and other linguistic phenomena.

Can you guess which spelling is correct? Hint: The word describes a keepsake that helps you remember something.

Get a memory trick for remembering the difference.

Get a memory trick to remember the difference between the two spellings.

Explore the mysteries of indefinite pronouns. Is "everyone" the same as "everybody?

How to turn a statement into a question?

With a question tag, of course! Learn how to implement this useful tool into your writing.