“Questioning Darwin,” a new, hourlong documentary airing on HBO throughout February, juxtaposes the story of the 19th-century British naturalist with looks into the lives of contemporary American Christians who believe the world was created in six days, as described in the Book of Genesis. Portrait of Charles Darwin (c. 1880) courtesy of HBO

“Questioning Darwin,” a new, hourlong documentary airing on HBO throughout February, juxtaposes the story of the 19th-century British naturalist with looks into the lives of contemporary American Christians who believe the world was created in six days, as described in the Book of Genesis. Portrait of Charles Darwin (c. 1880) courtesy of HBO