News Scientists are just beginning to understand mysterious DNA circles common in cancer cells Stanford researchers challenge videogamers to design CRISPR-gene-editing switch RNA Code Comes Into Focus Regulatory RNA essential to DNA damage response Video: Get an Eiffel of RNA New York Times "Telling Jewels from Junk in DNA" Women’s immune system genes operate differently from men’s Scientists unveil sex-linked control of genes Ancient Viruses, Once Foes, May Now Serve as Friends