The state executed Black after Tennessee Gov. Bill Lee declined requests from attorneys, advocacy groups and even some Republicans to intervene.

Surgeons at Duke University have resuscitated a 'dead' heart on the operating table after it stopped beating for more than five minutes. The organ was later transplanted into the chest of a three ...

Mum-of-two Melissa Hartman brought back from the dead after suffering cardiac arrest A young single mum was getting ready for a date when her heart suddenly stopped beating. What happened next was ...