How It Works issue 49 free preview!

This month How It Works is packed with a bunch of great articles, here are a few of our favourites:

Genetics – Discover the secrets and science behind your unique genetic code and how geneticists unravelled the human being blueprint.

Rise of the superstorm – What caused this year’s Oklahoma tornado to be so destructive and are these epic storms on the rise?

Megacities – What infrastructure does a sprawling metropolis need to support over 10 million residents?

Exploring new worlds – How do space rovers investigate the surfaces of other planets and moons, plus how have these robotic pioneers evolved?

Fighter jet pilot training – Go behind the scenes to find out how novice pilots learn to fly supersonic aircraft using lifelike simulators and the Hawk AJT.

The US Capitol building – We reveal the design, construction and secrets of the American take on the UK’s Houses of Parliament and take a tour around its rooms

How It Works issue 49 is on sale from 18 July 2013 and is available from WHSmiths, Barnes & Noble, supermarkets and all good newsagents.