Bee Testing (IMAGE) Penn State Caption To investigate viruses in bees, the team collected samples of DNA and RNA (single-stranded DNA) from 12 bee species in nine countries across the world. Credit Jeff Kerby, National Geographic Usage Restrictions non commercial use only 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.