For generations, schoolchildren have been taught that humans navigate the world with just five senses: sight, hearing, smell, ...

Some scientific studies from brain research suggest that near death, there may be brief bursts of electrical activity in the brain and changes in neurochemicals.

Imagine driving a car with a steering that doesn't respond instantly and a GPS that always reflects where you were a second ago. To stay on course, you must constantly infer how to steer the wheel ...

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