PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • scientists don???t know why the global thermostat cycles slowed. [*Antarctic locations (in bright blue) where 1.5 million years old ice could exist*] Greenhouse gases, such as methane and carbon dioxide, may have been the culprits behind the Mid-Pleistocene Transition, as well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • abovetopsecret.com