About: http://webisa.webdatacommons.org/218953772

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	Then, in the 1960s and ???70s, psychologists including Paul Ekman (who is now widely renowned for his work in the field) launched a new wave of interest in the evolutionary origins of facial expressions.
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu