: Contemporary research is split between those who believe life started in deep-sea hydrothermal volcanoes and those who argue that essential building blocks were delivered to Earth via meteorites.
: Early Greek philosophers who first pondered naturalistic origins and established the long-held belief in spontaneous generation. A Brief History of Creation: Science and the Se...
: His "warm little pond" hypothesis, which suggested a chemical origin for life even as he focused primarily on how life evolved after it began. : Contemporary research is split between those who
: The discovery of the microscopic world, which revealed a hidden level of biological complexity previously unimagined. A Brief History of Creation: Science and the Se...