dog (IMAGE) Lancaster University Caption A small sample of dorsal hair was taken from each canine recruit. The sample was removed near the dog skin using surgical scissors (cleaned in hexane to avoid contamination) and placed in a foil bag that was then heat sealed and stored at -20C. Credit Monica E. Staniek Usage Restrictions None License Licensed content 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.