About: http://webisa.webdatacommons.org/109759870

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	Naidu explains that the cracking noise is caused by a gas, mainly carbon dioxide, that is usually dissolved in the synovial fluid that encapsulates most joints.
http://www.w3.org/ns/prov#wasQuotedFrom	psu.edu