https://towardsdatascience.com/how-to-learn-causal-inference-on-your-own-for-free-98503abc0a06
https://www.thelancet.com/action/showPdf?pii=S1473-3099%2821%2900648-4
https://www.sciencemag.org/news/2020/10/france-s-top-science-magazine-turmoil-over-editorial-independence?utm_campaign=news_daily_2020-10-07&et_rid=682362580&et_cid=3511973
https://www.globalwitness.org/documents/20405/Hydrogen_is_too_expensive_-_September_2022.pdf