The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead ...

This image depicts the chemical structure of cytosine. It shows a hexagonal ring with nitrogen atoms at positions 1 and 3, and a primary amine group attached to carbon 4. The two remaining positions ...

Nano-tRNAseq is based on nanopore sequencing, a technology that can directly sequence individual RNA molecules by passing them through a small pore. Each of the nucleotides that compose an RNA ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In 1957, just four years after Francis Crick and other scientists solved the riddle of ...