miRNAs are ~22-nt RNAs that play a major part in the regulation of gene expression in most eukaryotic species. In humans, miRNAs are thought to post-transcriptionally repress at least 60% of mRNAs by ...

Guest author Ken Shirriff is a Silicon Valley-based computer enthusiast who enjoys reverse-engineering old chips and restoring classic equipment such as the Xerox Alto. Shirriff wrote the Arduino ...