News
The Economist: https://www.economist.com/news/science-and-technology/21737497-ancient-trait-creates-political-leanings
The Independent: https://www.independent.co.uk/news/science/donald-trump-supporters-bad-smells-reaction-sense-of-smell-disgusting-a8231616.html
Science Daily: https://www.sciencedaily.com/releases/2018/02/180227233253.htm