<http://webisa.webdatacommons.org/prov/223843818>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/263653704> .
<http://webisa.webdatacommons.org/263653704>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/263653704>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sciencedaily.com> .
<http://webisa.webdatacommons.org/263653704>	<http://www.w3.org/ns/prov#value>	"A popular explanation is that it is our ability to carry objects, particularly children, which forced early hominins onto two legs." .