The sun's ultraviolet radiation is dangerous to our skin cells because it damages our DNA. That's why sun exposure can cause cancer, and why sunscreen is so important (even apart from its power to prevent sunburns). There are sunscreens that claim they can help your skin repair that damage — and, it turns out, they actually might (might!) work.

I'm so diligent about my sunscreen these days that my skin now, in November, is still the same light beige colour that it was all winter. But if you yearn for that sun-kissed glow, you're probably wondering what is the best way to get a tan - and whether any method is truly safe.

In an age where we can pull a small handheld computer from our pocket it and ask it to show us the quickest route to a pizza shop, it's easy to forget that we used to have to navigate our world using things like a compass. Snooze. The Vikings, ever brave, had to navigate the iceberg-rich waters of the North Atlantic without Google Maps.

How did they do it?

Last year, nearly 14,000 Australians were diagnosed with melanoma, the most dangerous form of skin cancer. A new tool, designed to predict the risk of developing melanoma, has just been released by the QIMR Berghofer Medical Research Institute. It only takes a minute to predict your risk of disease in the next 3.5 years.

Unless you are sure you have every inch of your face covered in sunscreen right now, sit down. We need to talk.

Oracle has laid off much of its Solaris team, signalling the end of life for the once revered operating system. After coming to life in the early 1990s and then being acquired by Oracle in 2010, the operating system hasn't been updated for a couple of years, signalling its decline.

On the morning of March 9, the Moon will pass between Earth and the Sun, causing a total solar eclipse like it's the End Times. Here's how to see this striking cosmic event in Australia.