Scientists Create a Biological Pacemaker

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Scientists Create a Biological Pacemaker

by Associated Press Videos 1:13 mins

Scientists Create a Biological Pacemaker

by Associated Press Videos 1:13 mins

Scientists have come up with a biological pacemaker by injecting a gene into the hearts of sick pigs that change ordinary cardiac cells into a special kind that induces a steady heartbeat. They hope to test this on humans in a few years. (July 16)

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