Steven Pinker and The New York Times....

Steven Pinker who is a Cognitive Psychologist at Harvard, wrote a book called "Enlightenment Now".  His thesis, in this book, is that life on earth is improving.  Some of the subjects that he covers, in the book, include; personal safety, longevity, economic security, and happiness.  He has found data that supports the fact that we are better off then at the start of the Enlightenment in the 17th century. 
He began this research when he ran into data that violence has declined.  An example, is that the homicide rate in England has declined 50 percent since the 14th century.  His data states that there has been progress with poverty, illiteracy and access to simple luxuries such as beer and televisions.  There has been a marked improvement in the education environment, that includes the education of girls. 
He states that the Enlightenment worked, and has improved our well-being with reason and science.  He does acknowledge that we can backslide into irrationality.  However, we know when we are being unreasonable. 
Science is part of the enlightenment, the life expectancy has risen from 30 to 70 and 80 in the wealthy countries.
This is information that is backed by data.

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