http://pbpython.com/excel-diff-pandas-update.html
https://www.nasa.gov/content/dtn
https://neurosciencenews.com/cortical-connectivity-10654/
https://lispcast.com/tension-between-data-and-entity/
https://www.citylab.com/life/2019/02/global-megaregions-economic-powerhouse-megalopolis/583729/