It gives some people great comfort to think that they will see their long-gone loved ones again, in another place.
Michael Shermer is not inclined to think there IS such a place. He is a professional skeptic, even teaches a course called "Skepticism 101."
And he takes up the human need to believe in an afterlife, and the quest for longer life--if not immortality--in a new book, Heavens on Earth.
Could we live 200 years or more? Could our bodies be frozen until science can fix what ails us? Could our consciousness live in a robot body?