How It Works

The history of Edinburgh Castle

The scene of numerous sieges, Edinburgh Castle still stands proudly today as a symbol of military might

How to live to beyond 100.

We are born, we live, we age and we die. This is the natural cycle of human existence, yet some people live longer than others. The world record holder for the longest human life is Jeanne Louise Calment of France, … Continued

Why do cats like boxes so much?

Our furry feline friends love boxes. Big boxes, small boxes, up high on a shelf, or your suitcase as you try to pack for a holiday – if they fit, they sit. Like most cat behaviour, scientists haven’t quite sussed out … Continued

Unravelling the Mystery of DNA

In 1953, James Watson and Francis Crick discovered that the DNA molecule resembles a double helix, one of science’s most significant revelations. Deoxyribonucleic acid, better known as DNA, is the building block of all cells. DNA not only makes the proteins that … Continued

Venus: Earth’s Sister Planet

Discover just how similar this planet actually is to Earth.    Venus has often been called Earth’s sister planet because of their similarities. Both planets are terrestrial (meaning that they are made up of silicate rocks) and close in size, … Continued

Your Brain Explained

The human brain is the most mysterious – and complex – entity in the known universe. It’s a computer, a thinking machine, a fatty pink organ, and a vast collection of neurons – but how does it actually work? The … Continued

All About Sharks

There’s more to these fascinating and endangered creatures than their one-dimensional portrayal as mindless movie predators. Sharks belong to the group of fish known as elasmobranchii. This means that their skeleton is made of cartilage instead of bone. The earliest sharks appeared … Continued

Drilling for oil offshore

The world produces over 82 million barrels of oil every day, much of it in harsh conditions, miles from shore and safety if an emergency happens. So how is it done? Oil has been around for millions of years, located … Continued

DVD Burning Explained

DVD Burning Explained

Just what happens after you click the burn button? So you’ve got a DVD burner and some software like Nero or Toast and you want to transfer some video you’ve shot to DVD. Ever wondered just how your PC and … Continued