Stone calendars, obsolete units of biofuel

We take the measure of strange obsolete units with Lachlan Whatmore,
and look at ancient astronomy with John August and Steve Maxwell,
Charles Willock looks at the downside of biofuels.
News by Patrick Rubie,
Presented by Lachlan Whatmore
Produced by Lachlan Whatmore with technical support from Ian Woolf


January 10, 2008

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