Sorry horse owners, turns out you're not actually allowed to saddle up and ride down to the local bottle-o when you've had a few too many drinks to drive. While you may not have learned about this in studying for your driving test, a horse is still considered a 'vehicle', meaning you can be charged for drink driving while riding - in Australia at least.

Everyone knows that drink driving is against the law. However, what happens if you get caught drinking behind the wheel, take a breath test and are under the legal alcohol limit? Let’s explore the laws of a few different States to find out.

Dear Lifehacker, I've been caught driving with an illicit substance in my system: it was a saliva test and it came back positive. This happened in NSW and I have now moved to Queensland. I have to go to court next week. If I'm disqualified for whatever period, what happens to my licence in QLD?