Like the human immune system, bacteria learn from past infections. CRISPR sequences—short snippets of DNA from previous viruses—guide destructive enzymes towards invading bacteriophages that express ...

The practice of genetic modification is as old as humanity. For thousands of years, humans have bred crops, livestock and even pets that possess desirable traits. This selective process, which alters ...

For some years now, RNAi has been the workhorse of genomic screening projects. While the plenty of investigators have slogged through experiments and data using RNAi—with an array of useful data ...