About: http://webisa.webdatacommons.org/86003771

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	The challenge in these studies is to separate nature from nurture by controlling for the effects of natural intelligence (as measured by IQ, for example) and socio-economic factors such as wealth, race, and parental education.
http://www.w3.org/ns/prov#wasQuotedFrom	freakonomics.com