About: http://webisa.webdatacommons.org/37054602

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	Although human tribes spread to inhabit every continent except Antarctica, the limits of the world remained unknown, no less to tribal cultures than to pre-Columbian Europe.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com