Is there more world hunger today or 200 years ago, globally and in the USA? [more inside]
posted by tnygard on Sep 9, 2009 - 8 answers

When did grain threshing become steam-powered? [more inside]
posted by tnygard on Aug 25, 2009 - 10 answers

What do you think the most iconic images of a farm are the twenty first century?
posted by tnygard on Aug 13, 2009 - 22 answers