About: http://webisa.webdatacommons.org/169302616

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	Science says that it is because human body has its own magnetic field (Also known as hearts magnetic field, because the flow of blood) and Earth is a giant magnet.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com