Any increased physiological function, such as due to a fracture in the bone, will usually mean increased concentration of the tracer.

In the presence of disease, a tracer will often be distributed around the body and or processed differently.

NASA also utilizes the services of data archaeologists to recover information stored on 1960s era vintage computer tape, as exemplified by the Lunar Orbiter Image Recovery Project (LOIRP).

The U.S. National Research Council in its follow up report on the outbreak specifically cited this open availability of the sequence as a key reason why the treatment for SARS could be developed so quickly.