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Laser pulses can control a beating heart without causing damage, and could lead to new kinds of pacemakers.
A startup aims to repair heart damage with peptides that trigger the proliferation of heart cells.
New flexible electronics can better chart the heart’s electrical activity.
Newly identified cardiac stem cells form a functioning strip of heart muscle.
A new approach builds heart tissue inside the abdomen, yielding better blood flow.
The treatment causes adult heart-muscle cells to proliferate and cardiac function to improve.