A minor theory of the creation of life just got a major boost in new experiments The 'RNA World' hypothesis proposed that Earth had RNA before life existed Scientists have now shown that RNA could ...

which we have called the sweet-RNA world. This primitive biochemistry possibly began to evolve in cold environments in vast outer space, most likely on celestial bodies close to stars and subject ...

Genetic tracing at the Huanan Seafood Market supports hypothesis that the COVID pandemic spread from animals there.

These include transcription, RNA splicing, RNA stability, RNA export and translation and how all these processes are coupled in the cell to ensure efficient, quality-controlled gene expression. The ...

Long known as a messenger within cells, RNA is increasingly seen as life’s molecular communication system — even between ...

A controversial theory posits that life began when RNA spontaneously began to replicate ... wonky photocopy machine — or, in the meme world, a "deep-fried" image that comes about from screenshot ...

This small, folded RNA senses two stacked metabolites (shaded in green) to control gene regulation and is representative of the most common group of preQ1 riboswitches in the biosphere.

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

In this second edition of The RNA world, chemists, biologists and geologists investigate the plausibility of an RNA world. Nine new chapters have been added and many of the chapters from the first ...

The RNA world hypothesis gains support from the in vitro evolution of a bifunctional ribozyme that can recognize an activated glutaminyl ester and subsequently aminoacylate a tRNA molecule.

The good sheik evidently holds the Copernican theory to be a "mere ... Uracil replaces thymine in RNA. The entire evolutionary development of the living world has taken place not by invention ...