About: http://webisa.webdatacommons.org/329818224

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If, like other animals, human females displayed fertility with a clear physical sign, and were only receptive to sex during this period, men would only be interested during these few days, and culture would be much, much different.
http://www.w3.org/ns/prov#wasQuotedFrom	rationalresponders.com