Speeding Subway (IMAGE) DOE/Sandia National Laboratories Caption Subway trains really move material around so it's important to see where a surrogate for anthrax would go when released inside an operational subway system, said Sandia National Laboratories researcher Mark Tucker. Credit Photo by Randy Montoya 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.