Every time you pay online, your data is protected by a maths problem nobody has proved is unbreakable. Here is what that means, and why the world is already preparing for the worst.

Recently, this BuzzFeed article sharing firsthand stories from teachers got a fair bit of attention. Teachers from ...

"They can't read, write, or spell. And don't care." View Entire Post › ...

A pronoun takes the place of a noun close nounA noun is the name of a thing, such as an object, a place, or a person. in a sentence. Pronouns are short words like 'it', 'she', 'he', 'you', 'we', 'they ...

The apostrophe can be used to show who things belong to. If an item belongs to something, the apostrophe shows us who, by sitting at the end of the noun. If that noun doesn't end in s, the apostrophe ...