The Science of Life and Death

If we freeze our brains, could future technology bring us back to life? The study of neural connections may answer that question. 

The headquarters of the Alcor Life Extension Foundation are in a strange industrial building in Scottsdale, Arizona. If you were to enter a restricted area of the building, you would see rows of metallic containers, each about 10 feet tall. The containers are called dewars, and like giant thermos bottles, they insulate their contents, using liquid nitrogen instead of ice cubes. Each contains either four human corpses together with 10 human heads, or up to 45 human heads only. The foundation has ...

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