The Popcorn Pops to Turn Inside Out

When I was a boy and lived in a coffee farm at the time of harvest corn, I used to separate the ears of "popcorn", still in the straw. Often we observed that corn freshly harvested popcorn, burst much faster than that collected in the previous harvest. After sixty years, finally meeting on the Internet what theorized empirically. Now you readers also know the reason in the third paragraph of text. I would also, since this corner of and be my intent that this is only for young people and children, readers know that the "popcorn" is very different from normal corn that is used in cooking and fodder for animals and birds...