That they processed aboard the enormous floating wildlife collection two-by-two is well known. Less familiar, however, is the possibility that the animals Noah shepherded on to his ark then went round and round inside. According to newly translated instructions inscribed in ancient Babylonian on a clay tablet telling the story of the ark, the vessel that saved one virtuous man, his family and the animals from god's watery wrath was not the pointy-prowed craft of popular imagination but rather a giant circular reed raft. The now battered tablet, aged about 3,700 years, was found somewhere in the Middle East by...