Start your day by learning what's going on in the world with the free Morning Brew newsletter: https://bit.ly/mbwendover Watch Extremities at null Buy a Wendover Productions t-shirt: https://standard.tv/collections/wendover-productions/products/wendover-productions-shirt Subscribe to Half as Interesting (The other channel from Wendover Productions): null Youtube: null Instagram: http://Instagram.com/sam.from.wendover Twitter: http://www.Twitter.com/WendoverPro Sponsorship Enquiries: wendover@standard.tv Other emails: sam@wendover.productions Reddit: http://Reddit.com/r/WendoverProductions Writing by Sam Denby Research by Sam Denby and Tristan Purdy Editing by Alexander Williard Animation by Josh Sherrington Sound by Graham Haerther Thumbnail by Simon Buckmaster Select footage courtesy the AP Archive References [1] https://en.wikipedia.org/wiki/Geography_and_wealth#/media/File:GDP_per_capita_(nominal)_2015.png [2] https://www.economist.com/graphic-detail/2018/10/27/the-chinese-century-is-well-under-way [3] https://archive.org/details/civilizationandc031898mbp/page/n39/mode/2up?q=mental [4] https://ourworldindata.org/grapher/gdp-per-capita-vs-latitude [5] https://www.jstor.org/stable/40568423 [6] https://data.worldbank.org/indicator/SL.AGR.EMPL.ZS [7] https://ourworldindata.org/grapher/share-of-the-labor-force-employed-in-agriculture [8] http://www.fao.org/3/u8480e/u8480e07.htm [9] https://medcraveonline.com/OAJS/effects-of-high-temperature-stress-and-traits-associated-with-tolerance-in-wheat.html#ref5 [10] https://data.apps.fao.org/ [11] https://ourworldindata.org/burden-of-disease [12] https://halshs.archives-ouvertes.fr/halshs-00678713/document