Breaking News from Smithsonian: manure used as fertilizer earlier than previously believed

Dear DMC,

Here’s one to throw out to dull men everywhere.Archaeologists discover ancient European farmers used manure as fertilizer much earlier than previously believed:

http://www.facebook.com/l/8AQGNJm04AQHJUkqiNFkXMJqSU7FJHYhX0Be1Ei7aT_RzGA/www.pnas.org/content/early/2013/07/10/1305918110.abstract