A reader must ask if an RNA molecule could possibly govern chemical reactions, suppress free-riders, support co-operators, and act in its own self-interest.
A gold rush makes sense. But a copper rush? Not so much. And yet, perhaps there is more to gold than aesthetics.
Some recent work suggests it all happened at once in a sort of “chemical big bang.”
As we have seen so far in this series, fire was an absolutely crucial component in humanity’s rise to civilization and technology.
Michigan State University biologist Richard Lenski and collaborators have just published a terrific new paper.