About: http://webisa.webdatacommons.org/372952849

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	Now, having said that, Darwin labored under several kinds of difficulties that we???ve, if not overcome, at least have a much better understanding of.
http://www.w3.org/ns/prov#wasQuotedFrom	nsf.gov