About: http://webisa.webdatacommons.org/273061621

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	The visual field of one human eye is 150 degrees laterally, and only 180 degrees binocularly, or a half circle.39 As mentioned already, predators such as the owl have very keen night vision, often six times greater than that of humans.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com