In issue 200 of How It Works, we ask how human augmentation could replace evolution in the future, in “Is this the human of tomorrow?” Also this issue: rise of the robocops, why we get headaches, what is a quasar, gemstone chemistry, how to predict the weather, Inside a Sony Playstation 2, win £1,000 of games and gadgets, a free How It Works issue 1 for every reader, plus much more.