04:33 Origins Of The Anus – Earth Unplugged We all have an anus, but there was a time in our evolutionary past when our distant ancestors did not. In this video, Maddie Moate talks you through the origins … 0
04:33 Comb jellies rewrite the history of the anus In many primitive animals, food goes in and comes out of the same hole. But not in comb jellies. Read more: 0