Your early sample of the next jam-packed issue of How It Works is here From an interview with the inimitable Johnny Ball to a fascinating introduction to your immune system, issue five is jam-packed with knowledge for you to soak up. And to kick off the issue and the Formula One season, we have put together a bumper feature dedicated to all things F1. From the cars to the drivers and from the pit lane to the circuits, this feature offers everything ...

Here it is, your complimentary teaser of the latest issue of How It Works magazine. Learn about the amazing journey your food makes through your body in our feature about human digestion. Take a trip around the world's largest cruise ship, the Oasis of the Seas. Journey to the centre of the Earth with us as we discover what's inside this planet of ours....

If you haven't yet got your copy of issue 2 of How It Works, here's a small selection of our favourite features to whet your appetite. Don't deprive yourself – feed your mind. It's on sale till the end of the year. We take a look inside the most advanced battle tank in the world The largest X-ray generator on Earth, explained...

The latest and greatest issue of How It Works magazine is out tomorrow stuffed with a whole host of interesting articles to feed your mind. How It Works magazine is available from WHSmiths, supermarkets, Borders and Barnes and Noble. In this issue: Environment * How lions survive - How a pride of lions live, hunt and survive * The rat-eating carnivorous plant - it's an evolutionary freak Technology * How railguns work - electrically powered cannons * Noise-canceling headphones - a new and expensive way to listen to ...

If you want to see what's inside the launch issue of How It Works then take a look at these sample spreads. Click to enlarge. Inside a medieval castle The Eurofighter Typhoon How vision and sight works Beneath the surface of the sun iPhone 3Gs ...