Despite Gould’s split-the-difference approach – science and religion as “non-overlapping magisteria” – “The fact is that religion and science do overlap in people’s minds, in their life choices, in the difficult moral challenges society faces. To strictly deny the power of religion in the world, with billions following a diversity of faiths, is also terribly naïve. The difficult question that needs to be asked is why so many people across every culture need to believe. What is religion providing that so many need to embrace?” Astrophysicist Marcelo Gleiser has some ideas.