How much saliva do we produce each day? 27th June
James O'Brien's Mystery Hour - Podcast készítő Global - Csütörtökök
Kategóriák:
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?
