Image 1 (IMAGE) Florida Museum of Natural History Caption Using ancient DNA, researchers show that African cattle were likely brought to the Americas more than a century before written records document their arrival. Credit Florida Museum photo by Jeff Gage Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.