Neuroscience

Brain implant restores visual perception to the blind

Seven years ago, Jason Esterhuizen was in a horrific car crash that destroyed his eyes, plunging him into total darkness. Today, he's regained visual perception and more independence, thanks to an experimental device implanted ...

Medical research

Why a blow to the chest can kill or save you

A blow to the chest can have highly contrasting effects. For instance, some baseball players have died after being hit in the chest by a baseball, while patients undergoing fatal cardiac tachyarrhythmias have been saved by ...

Oncology & Cancer

Wearable device slows deadly brain tumors, clinical trial finds

A wearable device that emits low-level electrical fields can slow the progression of glioblastoma, the deadliest form of brain cancer, and extend patients' lifespans, a major clinical trial at the University of Virginia School ...

Cardiology

New device could allow your heartbeat to power pacemaker

An experimental device converted energy from a beating heart to provide enough electricity to power a pacemaker, in a study presented at the American Heart Association's Scientific Sessions 2012.

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