Asked by: Kevin McGrath, London
No. Although chemicals play an important part in mediating our emotional response, the interaction of various hormones with our current state of mind and memories is much too complicated to be captured in a simple formula.
If you inject someone with adrenalin, they may feel the physiological sensation of anxiety, but whether this translates to the emotion of fear, anger or sexual arousal will depend on the circumstances.
Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.