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Implant Could Safeguard Children, Alzheimer's Patients

A computer chip small enough to be implanted under the skin may assist in tracking missing children or keeping tabs on people suffering from Alzheimer's disease and other mental problems. The chip was discussed at a recent National Academy of Science seminar. NPR's Scott Horsley reports.

Copyright 2002 NPR

Scott Horsley is NPR's Chief Economics Correspondent. He reports on ups and downs in the national economy as well as fault lines between booming and busting communities.
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