Kennedi Emery, left, and Kaitlyn Desrochers practice the technique Associate Professor of Biology Cassandra Miller-Butterworth taught them for preparing bat DNA. Credit: Cathy Benscoter Expand Kaitlyn Desrochers, a student at Baden Academy, looks at a DNA sample she and a classmate helped prepare with the help of Associate Professor of Biology Cassandra Miller-Butterworth. Credit: Cathy Benscoter Expand Kennedi Emery retrieves a sample of bat DNA held by Cassandra Miller-Butterworth. Credit: Cathy Benscoter Expand Kennedi the Bat watches as Associate Professor of Biology Cassandra Miller-Butterworth explains the process of preparing bat DNA to Baden Academy students Kaitlyn Desrochers, center, and Kennedi Emery. Credit: Cathy Benscoter Expand Associate Professor of Biology Cassandra Miller-Butterworth helps Baden Academy fifth-grader Kennedi Emery prepare a sample of bat DNA. Credit: Cathy Benscoter Expand The bat DNA shows up in orange horizontal lines under ultraviolet light. Credit: Cathy Benscoter Expand