An example regarding the brain would be successful resuscitation of people who have drowned in icy water. At one time they would have been given up for dead, but now it is known that for some reason the brain often survives for a long time without air, even as much as an hour.
An example regarding the brain would be successful resuscitation of people who have drowned in icy water. At one time they would have been given up for dead, but now it is known that for some reason the brain often survives for a long time without air, even as much as an hour.