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What is bitcoin? How do you use it?

Bitcoin is a digital currency that enables instant payments to anyone, anywhere in the world.
Recent posts

Where does the word OK come from?

The word OK entered American English in the 19th century and is now one of the most popular in the language. But there is little agreement as to its origins.

What is an octothorpe?

In the 1960s engineers at Bell Labs were designing the first touch keyboard telephones.

What is a hashtag?

Hashtags are the # symbols used on Twitter and other social media like Instagram and Facebook.

Five popular phrases associated with the Titanic?

1. And the band played on...

How fast is the English language expanding?

According to new research, the English language has doubled in size over the last century and continues to grow 'by 8,500 words a year and now stands at 1,022,000 words.'

Why does the USA not have an official language?

58 countries have English as an official language - but not the USA. 

Why is English not the official language of England?

58 countries list English as an official language - but not the UK. 

How did Japanese words enter the English language?

Oxford English Dictionary editor, John Simpson, explains how Japanese words entered English in three distinct historical phases.

Where does the word robot come from?