About: http://webisa.webdatacommons.org/229233033

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	David appears frequently on shows such as Nova and The Universe and Life After People, speaking about science and future trends.
http://www.w3.org/ns/prov#wasQuotedFrom	ucsd.edu