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. 2019 Apr 12;10:683. doi: 10.3389/fpsyg.2019.00683

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Copyright © 2019 Ludwig and Welch.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Search by subject area completed in November 2008 by Mark Pagel on the ISI Web of Science data base as showing partial list (∼40,000) of scientific papers that include the term “natural selection” in their title, abstract or key words. Reprinted with permission from Springer Nature (Pagel, 2009). Note that the subject area “Genetics and Heredity” generated the largest number of published papers. Epigenetics does not appear on the list. By contrast, a 2019 search for the words “natural selection” and “genetics” on PubMed returned over 7,000 papers, whereas a search for “natural selection” and “epigenetics” returned only 65 papers.