Have you ever seen a fresh pile of poo in the grass and wondered why there were so many flies around it? If so, we have just the episode for you! We asked science journalist Cara Giaimo why flies are the dung devotees of the animal kingdom. 


Doo you have a question that’s left you a little scat-terbrained? Send it to us at BrainsOn.org/contact and we’ll help find the answer, even if we’re feeling pooped.