Casey Toth newsobserver.com
Casey Toth newsobserver.com

Economists send Trump, Congress a letter: Immigration strengthens economy

April 20, 2017 05:28 PM

UPDATED April 20, 2017 05:57 PM

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  • Duke engineers create artificial heart muscle for heart attack victims

    Biomedical engineers at Duke have created a fully functioning artificial human heart muscle large enough to patch over damage typically seen in patients who have suffered a heart attack. The advance takes a major step toward the end goal of repairing dead heart muscle in human patients.