How much saliva do we produce each day? 27th June

27/06/2013 42 min
How much saliva do we produce each day? 27th June

Listen "How much saliva do we produce each day? 27th June"

Episode Synopsis

Today's questions included: How much saliva do we produce in a day, can different breeds of birds understand each other, what is 'duff' as in 'up the duff'? Plus why do Americans swap their fork to their right hand to eat?