About: http://webisa.webdatacommons.org/443004405

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	Oxygen absorbed from water has an isotope signature that varies with climate, altitude and other factors.We used the latest technology to study samples that were gathered 80 years ago, said Williams.
http://www.w3.org/ns/prov#wasQuotedFrom	science20.com