Animal Emergence During Snowball Earths by Thermosynthesis in Submarine Hydrothermal Vents

Animal Emergence During Snowball Earths by Thermosynthesis in Submarine Hydrothermal Vents- Paper by Anthonie W J Muller proposing a theory that organisms can use or may have used thermal cycling as an energy source, for example in volcanic hot springs, as an evolutionary step towards photosynthesis.