You feel yourself float up and out of your physical body. You glide toward the entrance of a tunnel, and a searing bright light envelops your field of vision.
Rather than an ascent into the afterlife, a new study says these features of a near-death experience may just be a bunch of neurons in your brain going nuts.
"A lot of people believed that what they saw was heaven," said lead researcher and neurologist Jimo Borjigin. "Science hadn't given them a convincing alternative."
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