CRISPR-Cas systems are prokaryotic immune systems that confer resistance to foreign genetic elements such as plasmids and phages. CRISPR-Cas systems have been exploited for targeted genome editing.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Melanie Pinola and Wirecutter Staff Smartphones are the Swiss Army knives of ...

Scanning electron microscopy is a general type of electron microscopy that generates a topological image of a sample using a beam of electrons to achieve much higher spatial resolution than light ...