This might be one of the dorkiest memory tricks ever, but it works, so hey. Backstory: Every time I would use a curling iron, which was maybe once a month, I'd always have the exact same anxiety session about ten minutes after leaving my house. Did I unplug it?! My brain would begin a frantic quest to try to remember. OK, I think I did. No, I'm sure I did. I had to have, right? YES, I DID! ... But what if I didn't?! Commence flash visions of the next day's local newspaper featuring a photo my burned-down house and a very guilty-looking me (though my curls would be magnificent, admittedly).

If there's an area in your life that could do with some improvement, a good audio book might be able to steer you in the right direction. Best of all, they can be readily absorbed while driving or multitasking, which makes them perfect for people with busy schedules (i.e. - nearly all of us.) We asked Amazon's digital audiobook arm Audible to share some of its best-selling self-improvement titles. Here are their picks.

When you attempt to envision a writer, I imagine many of you see a quirky recluse, hunched over a desk in some cabin, crumpled paper strewn about as they obsessively work on the next great Australian novel. But writing is so much more.

It starts off slow. Heart rate building. Dry mouth. A drip of sweat slowly rolling down from your temple to your cheek. And then wham. A punch to the gut. Stress. It's inevitable in life. And yet so many of us see it as something we can't control. Or worse, something we should bury and ignore.

There are people out there who can remember almost every detail of what they did on a random day ten years ago. But is it possible to have an actual photographic memory, whether developed by nature or nurture? Here's the truth.

Let's pretend for a moment that you are a giraffe. You live on the grasslands of the African savannah. You have a neck that is 2.1m long. Every now and then, you spot a group of humans driving around on a safari taking pictures of you.

On a sunny morning in 2010, Qantas Airways flight 32 taxied onto a runway in Singapore, requested permission to begin the eight-hour flight to Sydney, and lifted into the bright sky.

If you were on Facebook today, there's a pretty good chance you came across this fruit-based brain teaser. The internet is going crazy for it. What seems like a simple maths equation is actually a bit more complex than it first appears. Can you solve it?

Whether you realise it or not, we all spend a lot of time predicting the future. Is is it worth buying a home? Going to uni? Getting married? Buying that new gadget? We tend to be pretty bad at these types of predictions, but Freakonomics outlines some mental tricks for getting better at it.

School quizzes occasionally contain a puzzle so fiendish that it even stumps intelligent adults. (Teachers have to get their kicks somehow, y'know.) The above brain-teaser recently appeared on an elementary school entrance exam in Hong Kong and quickly went viral. How long will it take you to solve it?

You probably already know that taking breaks is essential to staying productive. But what should you actually do with those breaks? Diving into a good book can help keep your brain stimulated, while giving you a chance to step back from your work.

Lifehacker editor Angus Kidman is a man of many skills. He's an exceptionally good speller, can make even the most tedious enterprise conference sound interesting and apparently doesn't require a wink of sleep. He's also pretty good at solving Rubik's Cube puzzles.