"466"^^ . . "978-0-87113-532-2" . . "The Lucifer Principle: A Scientific Expedition into the Forces of History"@en . . . "The Lucifer Principle book by Howard Bloom, sees social groups, not individuals, as the primary \"unit of selection,\" on genes and human psychological development. It states that both competition between groups and competition between individuals shape the evolution of the genome."@en . .