Jeff was on the operating table.

A car accident a few hours earlier killed his wife and son.

Now, Jeff was fighting for his life.

While doctors and nurses scrambled, a woman floated above the table.

She was almost transparent, but glowing.

It was Tamara, Jeff's wife.

Tamara was smiling.

She looked peaceful, grateful.

Now, you've heard this story before.

A dead relative is showing up at the moment of death.

Skeptics say this is just a hallucination caused by the brain shutting down.

But that theory doesn't apply here, because Jeff didn't see his wife floating in the room.

The doctor did.

In 1975, Raymond Moody published Life After Life.

He coined the term near-death experience. The book sold 13 million copies.

Moody had interviewed more than a hundred people who'd been clinically dead and came back.

Their stories were almost identical. A tunnel? An overwhelming light? Deceased relatives waiting for them?

A sense of peace so deep it changed their lives. Skeptics had answers for all of it.

Oxygen deprivation caused tunnel vision.

Endorphins flood the brain creating a sense of peace.

The temporal lobe, under stress, creates visions of dead relatives.

For decades, those answers held.

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