Definitions of what it means to be human have been sought out for centuries in many academic disciplines, says Kristel Clayville. Theology and philosophy have been at the forefront of this humanistic inquiry, but since Darwin's writing, biology and psychology have posited their own definitions.
The Vatican has announced an upcoming international conference on "Biological Evolution: Facts and Theories. A Critical Appraisal 150 years after 'The Origin of Species'", to mark the Darwin celebrations and build the science-theology dialogue.
US churches defied the stereotype that American Christianity is a cipher for anti-science creationism last week, as they marked Evolution Weekend with sermons and seminars on how spiritual and scientific exploration go together.