An undated image of the human brain taken through scanning technology, /Sage Center for the Study of the Mind, University of California, Santa Barbara/HandoutNeuroscientist Andrew Newberg has an intriguing idea: is there a “religionome” similar to the human genome and can scientists map it? He raised this idea at a recent Pew Forum conference on religion and public life in Key West, Florida, where he discussed the topic of why belief in God persists.