We open our hymnals to Hymn 379, and we begin to sing. "God is Love, let heav'n adore him / God is Love, let earth rejoice ..."
Lifting voices together in praise can be a transcendent experience, unifying a congregation in a way that is somehow both fervent and soothing. But is there actually a physical basis for those feelings?
The defense is expected to wrap up its case Wednesday afternoon at the murder trial of George Zimmerman, the Florida neighborhood watch volunteer accused in the February 2012 shooting death of teenager Trayvon Martin.