The heart from a genetically modified pig has been transplanted into a Maryland man in a last-ditch effort to save his life.
Lobotomy is a neurosurgical operation that involves severing connections in the brain's prefrontal lobe.
The aging process doesn't happen equally on both sides, leaving the human face increasingly less symmetrical with age.
With organ donation, the death of one person can lead to the survival of many others. But when a donor dies, how do doctors save their organs for transplantation?
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