About: http://webisa.webdatacommons.org/328281241

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	Gravity is a universal fact of life without its existence being proved or its nature fully understood (which was the motivating factor behind the even less provable string theory).
http://www.w3.org/ns/prov#wasQuotedFrom	listology.com