"One of the biggest mysteries in the origin of life is how the first biological molecules came into being. Today’s cells use complex assemblies of biological molecules to manufacture DNA, RNA and proteins. How did life work before those molecules existed?"
An RNA molecule that can make copies of a variety of RNAs adds new support to the RNA-world theory.
SCIENCE (from the Latin for 'knowledge') informs wisdom, reason and humanism. This is a 4-legged worldview within reality that maximizes well-being for individuals and society.