Join our expert "TechKnow" contributors Phil Torres, Crystal Dilworth and Kosta Grammatis as they explore scientific innovations and their impact on our lives. Crystal reports on advanced technology used in crime scene investigations, including "touch DNA," which helped crack a 19-year-old cold case in Utah. Kosta looks at how 3D printers can make everything from home electronics to baked goods—even an artificial heart valve that expands as pediatric patients grow.
“TechKnow” producer Mark Teague on a sheriff who never gave up on a murder case—and DNA tech that might find the killer.
“TechKnow” producer Noreen Moustafa on the Pandora’s box of questions unleashed by advanced DNA evidence.
Artificial heart valves have to be replaced in pediatric patients, but that could change soon.
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