PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY
Forensic science. A scientist taking a sample of dried blood from a shirt during investigations into an homicide. The blood, even though it has dried, may be reconstituted and tested to determine the precise group and, if needed, be used for DNA fingerprinting. Photographed at Lifecodes Corp., a commercial laboratory in New York State, USA.
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