Charon, Pluto's largest moon, is named after the ferryman who carried the souls of the newly deceased across the River Styx, which divided the world of the living from that of the dead.

MSN: Hell of a Choice: Cerberus Leads for New Pluto Moon Name

"It is also a symbol that marks the doorway between the world of the living and the world of the dead that is offered as our acknowledgement of the dead, " he told the BBC.

BBC: Rebuilding Christchurch 'stone by stone'

Decades after George A Romero scared the life out of cinemagoers with the classic zombie horror Night of the Living Dead (1968), the movie world has been plagued again with shambling corpses.

BBC: Dawn of the Dead (2003)

In almost all of them, the living dead are introduced in minute one, and by minute 10, the world is a wasteland.

WSJ: Why Zombies Are Everywhere