How much are moods and attitudes influenced by upbringing and experiences, the classic ‘nurture’ half of the ‘Nature/Nurture” dichotomy and the basis of theories of inter-personal psychology and “Personal Growth”? Could it be that they are  also  influenced by a genetic disposition to optimism or pessimism? First we should look at how this could occur. [...]

Passing an electric current through a simple salt solution produces a powerful disinfectant. It has been used for years in many countries and is now being commercialised in the US. Amazingly enough, although it will kill e.coli and salmonella as well as many other nasty bugs, it is safe to drink and people using it [...]