About: http://webisa.webdatacommons.org/129181164

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	At this point, when the Universe is a fraction of a second old, there are roughly equal amounts of protons and neutrons: about a 50/50 split.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com