Michael Mosley uses footage from the BBC to take a look at scientists' progress as they looked at the mind of a murderer in an attempt to understand why people commit such shocking crimes.
The would be dieters are followed through an intensive 5-day analysis at a residential diet lab at Liverpool Hope University. Whilst there they have to undergo a series of experiments run by the obesity scientists to look at whether their eating behaviour matches biological and psychological test results.
The dieters leave the lab and take their diets home where they face the challenge of sticking to their weight loss plans with all the stresses and temptations of their every day lives.
The show discovers how personalised dieting can work for the volunteers in the long term.
The show reveals that far from a simple story of stable objects orbiting a star, the development of the Solar System was a potent combination of hellfire, chaos and planetary pinball.
The show comes from the South Pole to tell the inside story of one of the greatest scientific quests of our time. In March 2014, there was a discovery that made headlines around the world, with evidence from the Big Bang itself.
Scientists are not sure what most of the universe is made of, with atoms accounting for only four per cent of it and the hypothetical dark matter and energy making up the rest. The Large Hadron Collider at Cern has recently been upgraded and there is now hope is that it will enable researchers to identify the nature of dark matter and reveal its true secrets.
The show uses modern technology as Egyptian animal mummies are scanned from museums around the world. 3D images are created of their content and experts are then able to find out the truth about the strange role the creatures played in the ancient civilisation's beliefs.