Collecting Biological Evidence (image) National Institute of Standards and Technology (NIST) Share Print E-Mail Caption A forensic technician collects biological material from a pipe bomb. A new handbook from NIST and the National Institute of Justice provides state-of-the-art guidelines and best practices for storing, preserving and tracking biological evidences such as this. Credit Forensic Science Program, Penn State University Usage Restrictions None Share Print E-Mail 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.