About: http://webisa.webdatacommons.org/93837848

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	In the late 1990s, scientists discovered that some types of algae, if starved of sulfur, switch to producing hydrogen from photosynthesis instead of oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	onlineathens.com