Corona Borealis Studio / Shutterstock Society depends on chemistry far more than we consciously realise, from medicines to energy to electronics. However, chemistry is viewed with as much apprehension as gratitude, because of the pollution and health problems that some chemicals cause. There is a strong desire to have all the benefits of chemistry, but none of the downsides. This has led to terms like “chemical free product” coming into popular usage. Of course it’s impossible to have a chemica