Darwin was born 210 years ago! Among the many things he discovered is a special process called Sexual Selection. What is Sexual Selection and how does it work?

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SOURCES

Studies linking mutations to sexual preferences (keep in mind, these are correlations, full causal details are not yet understood):
https://www.pnas.org/content/101/17/6758
http://science.sciencemag.org/content...

Spider group with females that have evolved gigantism, apparently to avoid sexual control by males which attempt to enforce monogamy via genital mutilation after copulation: https://www.google.com/url?sa=t&rct=j...