That Was Fast: From Life’s Origin to Cyanobacteria in a Billion Years
bacteria, calcium ions, calcium signals, eukaryotic cells, Evolution, higher animals, humans, Institute of Phototrophic Microbiology, Intelligent Design, Khaled Selim, origin of life, Phys.org, prehistory
That’s now just 1 billion years for all the apparatus to hit on the lucky combination randomly, unless we start with design principles. Source