What is it about our species that causes us to doubt ourselves to the point that we fear our own achievements.

In the last two hundred years we have made gigantic advances in science that have improved the lives of billions yet with every advance has grown more doubt.

Our harnessing of energy and its use to enhance the lives of people has led to a hugely irrational fear of catastrophic global warming.  Our increased knowledge and experience of food science enabling us to produce food for an increasing population, including many that were used to going without fuels fears of Frankenstein foods from GMO's. Vaccines that have saved the lives of tens of millions are portrayed as an existential threat.  Our fantastic advances in computer technology lead to apocalyptic visions of murderous robots threatening the human race with extinction.

What is it that makes many people blind to the massive benefits that science and technology has brought us from our conquest of disease to our design of devices to save the drudgery of manual labour?

Why are we so inventive yet such apallingly bad pessimists?

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