What the sigma? Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude.

Here are the backstories behind the emblems and logos of the world's most popular automakers, from Acura to Volvo and every brand in between.

You may have noticed something different about the CBBC logo, that's right, we've got a new one! Hacker thought it was time to redecorate CBBC HQ so we’ve had a new logo to match. Take this quiz ...