<http://webisa.webdatacommons.org/prov/168680713>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228987584> .
<http://webisa.webdatacommons.org/228987584>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/228987584>	<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://webisa.webdatacommons.org/prov/179466845>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228987584> .
<http://webisa.webdatacommons.org/prov/380896502>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228987584> .
<http://webisa.webdatacommons.org/228987584>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<locusmag.com> .