Connecting difference thing - http://traderfeed.blogspot.hk/2014/03/connecting-dots-how-to-become-more.html

The mastery of different fields trains you to look at problems from multiple viewpoints, which makes original insight more likely - https://www.bbc.com/future/article/20221028-why-theres-more-to-being-smart-than-intelligence?ocid=global_future_rss