Early Earth Was a Molten, Asteroid-Blasted Hellscape. Scientists Now Know When That Changed
The question of the origin of life is a chicken-and-egg problem that is perhaps best explained by the ribosome. These small intercellular structures translate genes into proteins, a process essential for life. And yet, the ribosomes themselves are made of proteins and RNA. So what came first, the ribosomes that make proteins or the proteins … Read more