About: http://webisa.webdatacommons.org/429323765

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	His efforts were rewarded when he tried out nitrous oxide ??? better known as laughing gas ??? on both himself and on friends including the poet Samuel Taylor Coleridge.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com